Home / 3,478,458.70-5,217,688.05-1,234,305.10

Finding the Fourth Proportional to 3,478,458.70, 5,217,688.05 and 1,234,305.10

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Solution

The fourth proportional to 3,478,458.70, 5,217,688.05 and 1,234,305.10 is: 1,851,457.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,458.70 : 5,217,688.05 = 1,234,305.10 : x
  2. Step 2: Convert to fraction form
    3,478,458.70/5,217,688.05 = 1,234,305.10/x
  3. Step 3: Cross multiply
    3,478,458.70x = 5,217,688.05 × 1,234,305.10
  4. Step 4: Simplify right side
    3,478,458.70x = 6,440,218,970,324.06
  5. Step 5: Solve for x
    x = 6,440,218,970,324.06/3,478,458.70
  6. Step 6: Final answer
    x = 1,851,457.65

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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.