Home / 3,172,023.17-4,377,395.52-1,721,718.21

Finding the Fourth Proportional to 3,172,023.17, 4,377,395.52 and 1,721,718.21

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Solution

The fourth proportional to 3,172,023.17, 4,377,395.52 and 1,721,718.21 is: 2,375,973.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,023.17 : 4,377,395.52 = 1,721,718.21 : x
  2. Step 2: Convert to fraction form
    3,172,023.17/4,377,395.52 = 1,721,718.21/x
  3. Step 3: Cross multiply
    3,172,023.17x = 4,377,395.52 × 1,721,718.21
  4. Step 4: Simplify right side
    3,172,023.17x = 7,536,641,579,156.42
  5. Step 5: Solve for x
    x = 7,536,641,579,156.42/3,172,023.17
  6. Step 6: Final answer
    x = 2,375,973.05

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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.