Home / 1,854,127.68-2,781,335.28-557,178.78

Finding the Fourth Proportional to 1,854,127.68, 2,781,335.28 and 557,178.78

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Solution

The fourth proportional to 1,854,127.68, 2,781,335.28 and 557,178.78 is: 835,811.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854,127.68 : 2,781,335.28 = 557,178.78 : x
  2. Step 2: Convert to fraction form
    1,854,127.68/2,781,335.28 = 557,178.78/x
  3. Step 3: Cross multiply
    1,854,127.68x = 2,781,335.28 × 557,178.78
  4. Step 4: Simplify right side
    1,854,127.68x = 1,549,700,998,081.36
  5. Step 5: Solve for x
    x = 1,549,700,998,081.36/1,854,127.68
  6. Step 6: Final answer
    x = 835,811.37

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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.