Home / 2,489,909.90-3,436,222.12-1,523,225.48

Finding the Fourth Proportional to 2,489,909.90, 3,436,222.12 and 1,523,225.48

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Solution

The fourth proportional to 2,489,909.90, 3,436,222.12 and 1,523,225.48 is: 2,102,140.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489,909.90 : 3,436,222.12 = 1,523,225.48 : x
  2. Step 2: Convert to fraction form
    2,489,909.90/3,436,222.12 = 1,523,225.48/x
  3. Step 3: Cross multiply
    2,489,909.90x = 3,436,222.12 × 1,523,225.48
  4. Step 4: Simplify right side
    2,489,909.90x = 5,234,141,067,134.44
  5. Step 5: Solve for x
    x = 5,234,141,067,134.44/2,489,909.90
  6. Step 6: Final answer
    x = 2,102,140.76

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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.