Home / 5,918,728.58-8,872,761.27-2,129,545.34

Finding the Fourth Proportional to 5,918,728.58, 8,872,761.27 and 2,129,545.34

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Solution

The fourth proportional to 5,918,728.58, 8,872,761.27 and 2,129,545.34 is: 3,192,399.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918,728.58 : 8,872,761.27 = 2,129,545.34 : x
  2. Step 2: Convert to fraction form
    5,918,728.58/8,872,761.27 = 2,129,545.34/x
  3. Step 3: Cross multiply
    5,918,728.58x = 8,872,761.27 × 2,129,545.34
  4. Step 4: Simplify right side
    5,918,728.58x = 18,894,947,415,460.98
  5. Step 5: Solve for x
    x = 18,894,947,415,460.98/5,918,728.58
  6. Step 6: Final answer
    x = 3,192,399.71

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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.