Home / 2,961,061.20-4,086,505.80-1,672,215.12

Finding the Fourth Proportional to 2,961,061.20, 4,086,505.80 and 1,672,215.12

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Solution

The fourth proportional to 2,961,061.20, 4,086,505.80 and 1,672,215.12 is: 2,307,793.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961,061.20 : 4,086,505.80 = 1,672,215.12 : x
  2. Step 2: Convert to fraction form
    2,961,061.20/4,086,505.80 = 1,672,215.12/x
  3. Step 3: Cross multiply
    2,961,061.20x = 4,086,505.80 × 1,672,215.12
  4. Step 4: Simplify right side
    2,961,061.20x = 6,833,516,786,727.70
  5. Step 5: Solve for x
    x = 6,833,516,786,727.70/2,961,061.20
  6. Step 6: Final answer
    x = 2,307,793.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.