Home / 1,515,791.79-2,271,713.18-616,182.71

Finding the Fourth Proportional to 1,515,791.79, 2,271,713.18 and 616,182.71

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Solution

The fourth proportional to 1,515,791.79, 2,271,713.18 and 616,182.71 is: 923,471.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,791.79 : 2,271,713.18 = 616,182.71 : x
  2. Step 2: Convert to fraction form
    1,515,791.79/2,271,713.18 = 616,182.71/x
  3. Step 3: Cross multiply
    1,515,791.79x = 2,271,713.18 × 616,182.71
  4. Step 4: Simplify right side
    1,515,791.79x = 1,399,790,369,155.64
  5. Step 5: Solve for x
    x = 1,399,790,369,155.64/1,515,791.79
  6. Step 6: Final answer
    x = 923,471.40

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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.