Home / 3,761,545.86-5,642,318.88-921,633.48

Finding the Fourth Proportional to 3,761,545.86, 5,642,318.88 and 921,633.48

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Solution

The fourth proportional to 3,761,545.86, 5,642,318.88 and 921,633.48 is: 1,382,450.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761,545.86 : 5,642,318.88 = 921,633.48 : x
  2. Step 2: Convert to fraction form
    3,761,545.86/5,642,318.88 = 921,633.48/x
  3. Step 3: Cross multiply
    3,761,545.86x = 5,642,318.88 × 921,633.48
  4. Step 4: Simplify right side
    3,761,545.86x = 5,200,149,984,644.10
  5. Step 5: Solve for x
    x = 5,200,149,984,644.10/3,761,545.86
  6. Step 6: Final answer
    x = 1,382,450.24

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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.