Home / 1,979,042.44-2,730,787.20-1,107,831.85

Finding the Fourth Proportional to 1,979,042.44, 2,730,787.20 and 1,107,831.85

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Solution

The fourth proportional to 1,979,042.44, 2,730,787.20 and 1,107,831.85 is: 1,528,644.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,042.44 : 2,730,787.20 = 1,107,831.85 : x
  2. Step 2: Convert to fraction form
    1,979,042.44/2,730,787.20 = 1,107,831.85/x
  3. Step 3: Cross multiply
    1,979,042.44x = 2,730,787.20 × 1,107,831.85
  4. Step 4: Simplify right side
    1,979,042.44x = 3,025,253,035,732.32
  5. Step 5: Solve for x
    x = 3,025,253,035,732.32/1,979,042.44
  6. Step 6: Final answer
    x = 1,528,644.85

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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.