Home / 1,909,471.28-2,635,089.72-1,050,037.88

Finding the Fourth Proportional to 1,909,471.28, 2,635,089.72 and 1,050,037.88

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Solution

The fourth proportional to 1,909,471.28, 2,635,089.72 and 1,050,037.88 is: 1,449,062.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,471.28 : 2,635,089.72 = 1,050,037.88 : x
  2. Step 2: Convert to fraction form
    1,909,471.28/2,635,089.72 = 1,050,037.88/x
  3. Step 3: Cross multiply
    1,909,471.28x = 2,635,089.72 × 1,050,037.88
  4. Step 4: Simplify right side
    1,909,471.28x = 2,766,944,023,198.59
  5. Step 5: Solve for x
    x = 2,766,944,023,198.59/1,909,471.28
  6. Step 6: Final answer
    x = 1,449,062.92

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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.