Home / 1,947,490.64-2,687,076.52-1,131,209.28

Finding the Fourth Proportional to 1,947,490.64, 2,687,076.52 and 1,131,209.28

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Solution

The fourth proportional to 1,947,490.64, 2,687,076.52 and 1,131,209.28 is: 1,560,801.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,490.64 : 2,687,076.52 = 1,131,209.28 : x
  2. Step 2: Convert to fraction form
    1,947,490.64/2,687,076.52 = 1,131,209.28/x
  3. Step 3: Cross multiply
    1,947,490.64x = 2,687,076.52 × 1,131,209.28
  4. Step 4: Simplify right side
    1,947,490.64x = 3,039,645,895,494.11
  5. Step 5: Solve for x
    x = 3,039,645,895,494.11/1,947,490.64
  6. Step 6: Final answer
    x = 1,560,801.29

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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.