Home / 2,167,432.74-2,991,155.65-1,200,562.92

Finding the Fourth Proportional to 2,167,432.74, 2,991,155.65 and 1,200,562.92

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Solution

The fourth proportional to 2,167,432.74, 2,991,155.65 and 1,200,562.92 is: 1,656,831.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,432.74 : 2,991,155.65 = 1,200,562.92 : x
  2. Step 2: Convert to fraction form
    2,167,432.74/2,991,155.65 = 1,200,562.92/x
  3. Step 3: Cross multiply
    2,167,432.74x = 2,991,155.65 × 1,200,562.92
  4. Step 4: Simplify right side
    2,167,432.74x = 3,591,070,558,337.09
  5. Step 5: Solve for x
    x = 3,591,070,558,337.09/2,167,432.74
  6. Step 6: Final answer
    x = 1,656,831.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.