Home / 2,172,455.63-3,258,686.18-752,511.55

Finding the Fourth Proportional to 2,172,455.63, 3,258,686.18 and 752,511.55

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Solution

The fourth proportional to 2,172,455.63, 3,258,686.18 and 752,511.55 is: 1,128,768.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,455.63 : 3,258,686.18 = 752,511.55 : x
  2. Step 2: Convert to fraction form
    2,172,455.63/3,258,686.18 = 752,511.55/x
  3. Step 3: Cross multiply
    2,172,455.63x = 3,258,686.18 × 752,511.55
  4. Step 4: Simplify right side
    2,172,455.63x = 2,452,198,988,275.38
  5. Step 5: Solve for x
    x = 2,452,198,988,275.38/2,172,455.63
  6. Step 6: Final answer
    x = 1,128,768.27

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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.