Home / 3,172,200.28-4,377,640.56-1,721,894.72

Finding the Fourth Proportional to 3,172,200.28, 4,377,640.56 and 1,721,894.72

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Solution

The fourth proportional to 3,172,200.28, 4,377,640.56 and 1,721,894.72 is: 2,376,216.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,200.28 : 4,377,640.56 = 1,721,894.72 : x
  2. Step 2: Convert to fraction form
    3,172,200.28/4,377,640.56 = 1,721,894.72/x
  3. Step 3: Cross multiply
    3,172,200.28x = 4,377,640.56 × 1,721,894.72
  4. Step 4: Simplify right side
    3,172,200.28x = 7,537,836,166,321.84
  5. Step 5: Solve for x
    x = 7,537,836,166,321.84/3,172,200.28
  6. Step 6: Final answer
    x = 2,376,216.98

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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.