Home / 2,487,624.76-3,731,458.03-690,648.37

Finding the Fourth Proportional to 2,487,624.76, 3,731,458.03 and 690,648.37

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Solution

The fourth proportional to 2,487,624.76, 3,731,458.03 and 690,648.37 is: 1,035,978.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487,624.76 : 3,731,458.03 = 690,648.37 : x
  2. Step 2: Convert to fraction form
    2,487,624.76/3,731,458.03 = 690,648.37/x
  3. Step 3: Cross multiply
    2,487,624.76x = 3,731,458.03 × 690,648.37
  4. Step 4: Simplify right side
    2,487,624.76x = 2,577,125,406,142.91
  5. Step 5: Solve for x
    x = 2,577,125,406,142.91/2,487,624.76
  6. Step 6: Final answer
    x = 1,035,978.35

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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.