Home / 2,439,752.55-3,655,200.15-1,988,027.70

Finding the Fourth Proportional to 2,439,752.55, 3,655,200.15 and 1,988,027.70

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Solution

The fourth proportional to 2,439,752.55, 3,655,200.15 and 1,988,027.70 is: 2,978,432.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439,752.55 : 3,655,200.15 = 1,988,027.70 : x
  2. Step 2: Convert to fraction form
    2,439,752.55/3,655,200.15 = 1,988,027.70/x
  3. Step 3: Cross multiply
    2,439,752.55x = 3,655,200.15 × 1,988,027.70
  4. Step 4: Simplify right side
    2,439,752.55x = 7,266,639,147,244.15
  5. Step 5: Solve for x
    x = 7,266,639,147,244.15/2,439,752.55
  6. Step 6: Final answer
    x = 2,978,432.85

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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.