Home / 2,916,959.16-4,375,438.76-787,043.28

Finding the Fourth Proportional to 2,916,959.16, 4,375,438.76 and 787,043.28

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Solution

The fourth proportional to 2,916,959.16, 4,375,438.76 and 787,043.28 is: 1,180,564.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916,959.16 : 4,375,438.76 = 787,043.28 : x
  2. Step 2: Convert to fraction form
    2,916,959.16/4,375,438.76 = 787,043.28/x
  3. Step 3: Cross multiply
    2,916,959.16x = 4,375,438.76 × 787,043.28
  4. Step 4: Simplify right side
    2,916,959.16x = 3,443,659,673,109.53
  5. Step 5: Solve for x
    x = 3,443,659,673,109.53/2,916,959.16
  6. Step 6: Final answer
    x = 1,180,564.93

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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.