Home / 1,947,500.40-2,687,500.92-1,088,067.12

Finding the Fourth Proportional to 1,947,500.40, 2,687,500.92 and 1,088,067.12

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Solution

The fourth proportional to 1,947,500.40, 2,687,500.92 and 1,088,067.12 is: 1,501,504.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,500.40 : 2,687,500.92 = 1,088,067.12 : x
  2. Step 2: Convert to fraction form
    1,947,500.40/2,687,500.92 = 1,088,067.12/x
  3. Step 3: Cross multiply
    1,947,500.40x = 2,687,500.92 × 1,088,067.12
  4. Step 4: Simplify right side
    1,947,500.40x = 2,924,181,386,021.75
  5. Step 5: Solve for x
    x = 2,924,181,386,021.75/1,947,500.40
  6. Step 6: Final answer
    x = 1,501,504.90

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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.