Home / 1,818,456.67-2,509,487.19-1,002,689.57

Finding the Fourth Proportional to 1,818,456.67, 2,509,487.19 and 1,002,689.57

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Solution

The fourth proportional to 1,818,456.67, 2,509,487.19 and 1,002,689.57 is: 1,383,720.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,456.67 : 2,509,487.19 = 1,002,689.57 : x
  2. Step 2: Convert to fraction form
    1,818,456.67/2,509,487.19 = 1,002,689.57/x
  3. Step 3: Cross multiply
    1,818,456.67x = 2,509,487.19 × 1,002,689.57
  4. Step 4: Simplify right side
    1,818,456.67x = 2,516,236,631,461.61
  5. Step 5: Solve for x
    x = 2,516,236,631,461.61/1,818,456.67
  6. Step 6: Final answer
    x = 1,383,720.97

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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.