Home / 3,172,012.03-4,377,381.05-1,721,707.79

Finding the Fourth Proportional to 3,172,012.03, 4,377,381.05 and 1,721,707.79

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Solution

The fourth proportional to 3,172,012.03, 4,377,381.05 and 1,721,707.79 is: 2,375,959.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,012.03 : 4,377,381.05 = 1,721,707.79 : x
  2. Step 2: Convert to fraction form
    3,172,012.03/4,377,381.05 = 1,721,707.79/x
  3. Step 3: Cross multiply
    3,172,012.03x = 4,377,381.05 × 1,721,707.79
  4. Step 4: Simplify right side
    3,172,012.03x = 7,536,571,053,583.38
  5. Step 5: Solve for x
    x = 7,536,571,053,583.38/3,172,012.03
  6. Step 6: Final answer
    x = 2,375,959.16

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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.