Home / 3,189,685.61-4,783,875.95-914,600.54

Finding the Fourth Proportional to 3,189,685.61, 4,783,875.95 and 914,600.54

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Solution

The fourth proportional to 3,189,685.61, 4,783,875.95 and 914,600.54 is: 1,371,713.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,685.61 : 4,783,875.95 = 914,600.54 : x
  2. Step 2: Convert to fraction form
    3,189,685.61/4,783,875.95 = 914,600.54/x
  3. Step 3: Cross multiply
    3,189,685.61x = 4,783,875.95 × 914,600.54
  4. Step 4: Simplify right side
    3,189,685.61x = 4,375,335,505,530.13
  5. Step 5: Solve for x
    x = 4,375,335,505,530.13/3,189,685.61
  6. Step 6: Final answer
    x = 1,371,713.72

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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.