Home / 3,604,971.40-5,407,457.10-3,479,000.20

Finding the Fourth Proportional to 3,604,971.40, 5,407,457.10 and 3,479,000.20

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Solution

The fourth proportional to 3,604,971.40, 5,407,457.10 and 3,479,000.20 is: 5,218,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604,971.40 : 5,407,457.10 = 3,479,000.20 : x
  2. Step 2: Convert to fraction form
    3,604,971.40/5,407,457.10 = 3,479,000.20/x
  3. Step 3: Cross multiply
    3,604,971.40x = 5,407,457.10 × 3,479,000.20
  4. Step 4: Simplify right side
    3,604,971.40x = 18,812,544,332,391.42
  5. Step 5: Solve for x
    x = 18,812,544,332,391.42/3,604,971.40
  6. Step 6: Final answer
    x = 5,218,500.30

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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.