Home / 1,523,147.52-2,102,175.17-972,100.98

Finding the Fourth Proportional to 1,523,147.52, 2,102,175.17 and 972,100.98

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Solution

The fourth proportional to 1,523,147.52, 2,102,175.17 and 972,100.98 is: 1,341,647.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523,147.52 : 2,102,175.17 = 972,100.98 : x
  2. Step 2: Convert to fraction form
    1,523,147.52/2,102,175.17 = 972,100.98/x
  3. Step 3: Cross multiply
    1,523,147.52x = 2,102,175.17 × 972,100.98
  4. Step 4: Simplify right side
    1,523,147.52x = 2,043,526,542,888.67
  5. Step 5: Solve for x
    x = 2,043,526,542,888.67/1,523,147.52
  6. Step 6: Final answer
    x = 1,341,647.16

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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.