Home / 2,529,135.20-3,489,988.20-1,426,505.90

Finding the Fourth Proportional to 2,529,135.20, 3,489,988.20 and 1,426,505.90

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Solution

The fourth proportional to 2,529,135.20, 3,489,988.20 and 1,426,505.90 is: 1,968,454.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529,135.20 : 3,489,988.20 = 1,426,505.90 : x
  2. Step 2: Convert to fraction form
    2,529,135.20/3,489,988.20 = 1,426,505.90/x
  3. Step 3: Cross multiply
    2,529,135.20x = 3,489,988.20 × 1,426,505.90
  4. Step 4: Simplify right side
    2,529,135.20x = 4,978,488,758,230.38
  5. Step 5: Solve for x
    x = 4,978,488,758,230.38/2,529,135.20
  6. Step 6: Final answer
    x = 1,968,454.97

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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.