Home / 4,218,309.52-6,327,792.36-1,378,708.72

Finding the Fourth Proportional to 4,218,309.52, 6,327,792.36 and 1,378,708.72

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Solution

The fourth proportional to 4,218,309.52, 6,327,792.36 and 1,378,708.72 is: 2,068,170.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218,309.52 : 6,327,792.36 = 1,378,708.72 : x
  2. Step 2: Convert to fraction form
    4,218,309.52/6,327,792.36 = 1,378,708.72/x
  3. Step 3: Cross multiply
    4,218,309.52x = 6,327,792.36 × 1,378,708.72
  4. Step 4: Simplify right side
    4,218,309.52x = 8,724,182,505,081.38
  5. Step 5: Solve for x
    x = 8,724,182,505,081.38/4,218,309.52
  6. Step 6: Final answer
    x = 2,068,170.31

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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.