Home / 2,188,885.17-3,268,957.16-1,865,591.90

Finding the Fourth Proportional to 2,188,885.17, 3,268,957.16 and 1,865,591.90

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Solution

The fourth proportional to 2,188,885.17, 3,268,957.16 and 1,865,591.90 is: 2,786,139.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,885.17 : 3,268,957.16 = 1,865,591.90 : x
  2. Step 2: Convert to fraction form
    2,188,885.17/3,268,957.16 = 1,865,591.90/x
  3. Step 3: Cross multiply
    2,188,885.17x = 3,268,957.16 × 1,865,591.90
  4. Step 4: Simplify right side
    2,188,885.17x = 6,098,539,999,720.79
  5. Step 5: Solve for x
    x = 6,098,539,999,720.79/2,188,885.17
  6. Step 6: Final answer
    x = 2,786,139.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.