Home / 3,120,434.70-4,680,652.05-2,649,209.10

Finding the Fourth Proportional to 3,120,434.70, 4,680,652.05 and 2,649,209.10

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Solution

The fourth proportional to 3,120,434.70, 4,680,652.05 and 2,649,209.10 is: 3,973,813.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,434.70 : 4,680,652.05 = 2,649,209.10 : x
  2. Step 2: Convert to fraction form
    3,120,434.70/4,680,652.05 = 2,649,209.10/x
  3. Step 3: Cross multiply
    3,120,434.70x = 4,680,652.05 × 2,649,209.10
  4. Step 4: Simplify right side
    3,120,434.70x = 12,400,026,004,793.65
  5. Step 5: Solve for x
    x = 12,400,026,004,793.65/3,120,434.70
  6. Step 6: Final answer
    x = 3,973,813.65

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Double scale
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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.