Home / 3,172,748.18-4,378,445.33-1,722,443.94

Finding the Fourth Proportional to 3,172,748.18, 4,378,445.33 and 1,722,443.94

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Solution

The fourth proportional to 3,172,748.18, 4,378,445.33 and 1,722,443.94 is: 2,377,001.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,748.18 : 4,378,445.33 = 1,722,443.94 : x
  2. Step 2: Convert to fraction form
    3,172,748.18/4,378,445.33 = 1,722,443.94/x
  3. Step 3: Cross multiply
    3,172,748.18x = 4,378,445.33 × 1,722,443.94
  4. Step 4: Simplify right side
    3,172,748.18x = 7,541,626,626,356.33
  5. Step 5: Solve for x
    x = 7,541,626,626,356.33/3,172,748.18
  6. Step 6: Final answer
    x = 2,377,001.32

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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.