Home / 3,172,004.34-4,377,370.41-1,721,700.09

Finding the Fourth Proportional to 3,172,004.34, 4,377,370.41 and 1,721,700.09

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Solution

The fourth proportional to 3,172,004.34, 4,377,370.41 and 1,721,700.09 is: 2,375,948.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,004.34 : 4,377,370.41 = 1,721,700.09 : x
  2. Step 2: Convert to fraction form
    3,172,004.34/4,377,370.41 = 1,721,700.09/x
  3. Step 3: Cross multiply
    3,172,004.34x = 4,377,370.41 × 1,721,700.09
  4. Step 4: Simplify right side
    3,172,004.34x = 7,536,519,028,860.34
  5. Step 5: Solve for x
    x = 7,536,519,028,860.34/3,172,004.34
  6. Step 6: Final answer
    x = 2,375,948.52

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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.