Home / 2,474,656.40-3,712,006.52-978,748.56

Finding the Fourth Proportional to 2,474,656.40, 3,712,006.52 and 978,748.56

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Solution

The fourth proportional to 2,474,656.40, 3,712,006.52 and 978,748.56 is: 1,468,131.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,474,656.40 : 3,712,006.52 = 978,748.56 : x
  2. Step 2: Convert to fraction form
    2,474,656.40/3,712,006.52 = 978,748.56/x
  3. Step 3: Cross multiply
    2,474,656.40x = 3,712,006.52 × 978,748.56
  4. Step 4: Simplify right side
    2,474,656.40x = 3,633,121,036,160.61
  5. Step 5: Solve for x
    x = 3,633,121,036,160.61/2,474,656.40
  6. Step 6: Final answer
    x = 1,468,131.51

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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.