Home / 2,487,623.76-3,731,456.53-690,647.37

Finding the Fourth Proportional to 2,487,623.76, 3,731,456.53 and 690,647.37

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Solution

The fourth proportional to 2,487,623.76, 3,731,456.53 and 690,647.37 is: 1,035,976.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487,623.76 : 3,731,456.53 = 690,647.37 : x
  2. Step 2: Convert to fraction form
    2,487,623.76/3,731,456.53 = 690,647.37/x
  3. Step 3: Cross multiply
    2,487,623.76x = 3,731,456.53 × 690,647.37
  4. Step 4: Simplify right side
    2,487,623.76x = 2,577,120,638,713.83
  5. Step 5: Solve for x
    x = 2,577,120,638,713.83/2,487,623.76
  6. Step 6: Final answer
    x = 1,035,976.85

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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.