Home / 3,280,934.40-4,916,102.40-1,856,755.20

Finding the Fourth Proportional to 3,280,934.40, 4,916,102.40 and 1,856,755.20

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Solution

The fourth proportional to 3,280,934.40, 4,916,102.40 and 1,856,755.20 is: 2,782,133.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,934.40 : 4,916,102.40 = 1,856,755.20 : x
  2. Step 2: Convert to fraction form
    3,280,934.40/4,916,102.40 = 1,856,755.20/x
  3. Step 3: Cross multiply
    3,280,934.40x = 4,916,102.40 × 1,856,755.20
  4. Step 4: Simplify right side
    3,280,934.40x = 9,127,998,694,932.48
  5. Step 5: Solve for x
    x = 9,127,998,694,932.48/3,280,934.40
  6. Step 6: Final answer
    x = 2,782,133.86

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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.