Home / 2,657,202.56-3,986,436.60-860,086.40

Finding the Fourth Proportional to 2,657,202.56, 3,986,436.60 and 860,086.40

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Solution

The fourth proportional to 2,657,202.56, 3,986,436.60 and 860,086.40 is: 1,290,334.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,202.56 : 3,986,436.60 = 860,086.40 : x
  2. Step 2: Convert to fraction form
    2,657,202.56/3,986,436.60 = 860,086.40/x
  3. Step 3: Cross multiply
    2,657,202.56x = 3,986,436.60 × 860,086.40
  4. Step 4: Simplify right side
    2,657,202.56x = 3,428,679,904,122.24
  5. Step 5: Solve for x
    x = 3,428,679,904,122.24/2,657,202.56
  6. Step 6: Final answer
    x = 1,290,334.41

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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.