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Finding the Fourth Proportional to 1,982,751.39, 2,974,284.69 and 845,523.30

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Solution

The fourth proportional to 1,982,751.39, 2,974,284.69 and 845,523.30 is: 1,268,352.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,751.39 : 2,974,284.69 = 845,523.30 : x
  2. Step 2: Convert to fraction form
    1,982,751.39/2,974,284.69 = 845,523.30/x
  3. Step 3: Cross multiply
    1,982,751.39x = 2,974,284.69 × 845,523.30
  4. Step 4: Simplify right side
    1,982,751.39x = 2,514,827,006,228.28
  5. Step 5: Solve for x
    x = 2,514,827,006,228.28/1,982,751.39
  6. Step 6: Final answer
    x = 1,268,352.16

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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.