Home / 2,658,842.52-3,987,427.23-861,308.95

Finding the Fourth Proportional to 2,658,842.52, 3,987,427.23 and 861,308.95

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Solution

The fourth proportional to 2,658,842.52, 3,987,427.23 and 861,308.95 is: 1,291,692.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,658,842.52 : 3,987,427.23 = 861,308.95 : x
  2. Step 2: Convert to fraction form
    2,658,842.52/3,987,427.23 = 861,308.95/x
  3. Step 3: Cross multiply
    2,658,842.52x = 3,987,427.23 × 861,308.95
  4. Step 4: Simplify right side
    2,658,842.52x = 3,434,406,740,735.57
  5. Step 5: Solve for x
    x = 3,434,406,740,735.57/2,658,842.52
  6. Step 6: Final answer
    x = 1,291,692.43

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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.