Home / 2,156,374.80-3,234,562.20-660,272.40

Finding the Fourth Proportional to 2,156,374.80, 3,234,562.20 and 660,272.40

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Solution

The fourth proportional to 2,156,374.80, 3,234,562.20 and 660,272.40 is: 990,408.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,374.80 : 3,234,562.20 = 660,272.40 : x
  2. Step 2: Convert to fraction form
    2,156,374.80/3,234,562.20 = 660,272.40/x
  3. Step 3: Cross multiply
    2,156,374.80x = 3,234,562.20 × 660,272.40
  4. Step 4: Simplify right side
    2,156,374.80x = 2,135,692,146,743.28
  5. Step 5: Solve for x
    x = 2,135,692,146,743.28/2,156,374.80
  6. Step 6: Final answer
    x = 990,408.60

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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.