Home / 1,998,781.52-2,998,382.28-651,049.16

Finding the Fourth Proportional to 1,998,781.52, 2,998,382.28 and 651,049.16

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Solution

The fourth proportional to 1,998,781.52, 2,998,382.28 and 651,049.16 is: 976,642.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,781.52 : 2,998,382.28 = 651,049.16 : x
  2. Step 2: Convert to fraction form
    1,998,781.52/2,998,382.28 = 651,049.16/x
  3. Step 3: Cross multiply
    1,998,781.52x = 2,998,382.28 × 651,049.16
  4. Step 4: Simplify right side
    1,998,781.52x = 1,952,094,264,752.88
  5. Step 5: Solve for x
    x = 1,952,094,264,752.88/1,998,781.52
  6. Step 6: Final answer
    x = 976,642.14

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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.