Home / 2,207,761.30-3,312,010.70-691,142.41

Finding the Fourth Proportional to 2,207,761.30, 3,312,010.70 and 691,142.41

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Solution

The fourth proportional to 2,207,761.30, 3,312,010.70 and 691,142.41 is: 1,036,829.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207,761.30 : 3,312,010.70 = 691,142.41 : x
  2. Step 2: Convert to fraction form
    2,207,761.30/3,312,010.70 = 691,142.41/x
  3. Step 3: Cross multiply
    2,207,761.30x = 3,312,010.70 × 691,142.41
  4. Step 4: Simplify right side
    2,207,761.30x = 2,289,071,057,143.79
  5. Step 5: Solve for x
    x = 2,289,071,057,143.79/2,207,761.30
  6. Step 6: Final answer
    x = 1,036,829.05

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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.