Home / 3,120,164.10-4,680,246.15-1,523,751.30

Finding the Fourth Proportional to 3,120,164.10, 4,680,246.15 and 1,523,751.30

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Solution

The fourth proportional to 3,120,164.10, 4,680,246.15 and 1,523,751.30 is: 2,285,626.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,164.10 : 4,680,246.15 = 1,523,751.30 : x
  2. Step 2: Convert to fraction form
    3,120,164.10/4,680,246.15 = 1,523,751.30/x
  3. Step 3: Cross multiply
    3,120,164.10x = 4,680,246.15 × 1,523,751.30
  4. Step 4: Simplify right side
    3,120,164.10x = 7,131,531,155,382.50
  5. Step 5: Solve for x
    x = 7,131,531,155,382.50/3,120,164.10
  6. Step 6: Final answer
    x = 2,285,626.95

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Double scale
Find fourth proportional to 3,120,165.10, 4,680,247.65 and 1,523,752.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.