Home / 3,120,251.10-4,680,376.65-1,523,838.30

Finding the Fourth Proportional to 3,120,251.10, 4,680,376.65 and 1,523,838.30

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Solution

The fourth proportional to 3,120,251.10, 4,680,376.65 and 1,523,838.30 is: 2,285,757.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,251.10 : 4,680,376.65 = 1,523,838.30 : x
  2. Step 2: Convert to fraction form
    3,120,251.10/4,680,376.65 = 1,523,838.30/x
  3. Step 3: Cross multiply
    3,120,251.10x = 4,680,376.65 × 1,523,838.30
  4. Step 4: Simplify right side
    3,120,251.10x = 7,132,137,197,695.70
  5. Step 5: Solve for x
    x = 7,132,137,197,695.70/3,120,251.10
  6. Step 6: Final answer
    x = 2,285,757.45

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Double scale
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Similar ratio
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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.