Home / 3,147,367.56-4,721,051.08-872,891.92

Finding the Fourth Proportional to 3,147,367.56, 4,721,051.08 and 872,891.92

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Solution

The fourth proportional to 3,147,367.56, 4,721,051.08 and 872,891.92 is: 1,309,337.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147,367.56 : 4,721,051.08 = 872,891.92 : x
  2. Step 2: Convert to fraction form
    3,147,367.56/4,721,051.08 = 872,891.92/x
  3. Step 3: Cross multiply
    3,147,367.56x = 4,721,051.08 × 872,891.92
  4. Step 4: Simplify right side
    3,147,367.56x = 4,120,967,341,639.27
  5. Step 5: Solve for x
    x = 4,120,967,341,639.27/3,147,367.56
  6. Step 6: Final answer
    x = 1,309,337.81

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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.