Home / 2,657,679.40-3,986,000.70-860,127.40

Finding the Fourth Proportional to 2,657,679.40, 3,986,000.70 and 860,127.40

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Solution

The fourth proportional to 2,657,679.40, 3,986,000.70 and 860,127.40 is: 1,290,023.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,679.40 : 3,986,000.70 = 860,127.40 : x
  2. Step 2: Convert to fraction form
    2,657,679.40/3,986,000.70 = 860,127.40/x
  3. Step 3: Cross multiply
    2,657,679.40x = 3,986,000.70 × 860,127.40
  4. Step 4: Simplify right side
    2,657,679.40x = 3,428,468,418,489.18
  5. Step 5: Solve for x
    x = 3,428,468,418,489.18/2,657,679.40
  6. Step 6: Final answer
    x = 1,290,023.33

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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.