Home / 1,666,921.79-2,500,371.88-404,740.91

Finding the Fourth Proportional to 1,666,921.79, 2,500,371.88 and 404,740.91

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Solution

The fourth proportional to 1,666,921.79, 2,500,371.88 and 404,740.91 is: 607,108.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,921.79 : 2,500,371.88 = 404,740.91 : x
  2. Step 2: Convert to fraction form
    1,666,921.79/2,500,371.88 = 404,740.91/x
  3. Step 3: Cross multiply
    1,666,921.79x = 2,500,371.88 × 404,740.91
  4. Step 4: Simplify right side
    1,666,921.79x = 1,012,002,790,049.61
  5. Step 5: Solve for x
    x = 1,012,002,790,049.61/1,666,921.79
  6. Step 6: Final answer
    x = 607,108.74

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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.