Home / 1,995,039.52-2,992,980.17-647,097.46

Finding the Fourth Proportional to 1,995,039.52, 2,992,980.17 and 647,097.46

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Solution

The fourth proportional to 1,995,039.52, 2,992,980.17 and 647,097.46 is: 970,782.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,039.52 : 2,992,980.17 = 647,097.46 : x
  2. Step 2: Convert to fraction form
    1,995,039.52/2,992,980.17 = 647,097.46/x
  3. Step 3: Cross multiply
    1,995,039.52x = 2,992,980.17 × 647,097.46
  4. Step 4: Simplify right side
    1,995,039.52x = 1,936,749,859,972.66
  5. Step 5: Solve for x
    x = 1,936,749,859,972.66/1,995,039.52
  6. Step 6: Final answer
    x = 970,782.71

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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.