Home / 3,861,120.87-5,328,347.61-2,142,237.29

Finding the Fourth Proportional to 3,861,120.87, 5,328,347.61 and 2,142,237.29

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Solution

The fourth proportional to 3,861,120.87, 5,328,347.61 and 2,142,237.29 is: 2,956,287.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861,120.87 : 5,328,347.61 = 2,142,237.29 : x
  2. Step 2: Convert to fraction form
    3,861,120.87/5,328,347.61 = 2,142,237.29/x
  3. Step 3: Cross multiply
    3,861,120.87x = 5,328,347.61 × 2,142,237.29
  4. Step 4: Simplify right side
    3,861,120.87x = 11,414,584,917,582.64
  5. Step 5: Solve for x
    x = 11,414,584,917,582.64/3,861,120.87
  6. Step 6: Final answer
    x = 2,956,287.90

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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.