Home / 2,657,672.31-3,987,089.87-860,737.43

Finding the Fourth Proportional to 2,657,672.31, 3,987,089.87 and 860,737.43

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Solution

The fourth proportional to 2,657,672.31, 3,987,089.87 and 860,737.43 is: 1,291,294.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,672.31 : 3,987,089.87 = 860,737.43 : x
  2. Step 2: Convert to fraction form
    2,657,672.31/3,987,089.87 = 860,737.43/x
  3. Step 3: Cross multiply
    2,657,672.31x = 3,987,089.87 × 860,737.43
  4. Step 4: Simplify right side
    2,657,672.31x = 3,431,837,493,546.87
  5. Step 5: Solve for x
    x = 3,431,837,493,546.87/2,657,672.31
  6. Step 6: Final answer
    x = 1,291,294.44

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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.