Home / 3,172,015.30-4,377,263.34-1,721,679.52

Finding the Fourth Proportional to 3,172,015.30, 4,377,263.34 and 1,721,679.52

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Solution

The fourth proportional to 3,172,015.30, 4,377,263.34 and 1,721,679.52 is: 2,375,853.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,015.30 : 4,377,263.34 = 1,721,679.52 : x
  2. Step 2: Convert to fraction form
    3,172,015.30/4,377,263.34 = 1,721,679.52/x
  3. Step 3: Cross multiply
    3,172,015.30x = 4,377,263.34 × 1,721,679.52
  4. Step 4: Simplify right side
    3,172,015.30x = 7,536,244,637,516.40
  5. Step 5: Solve for x
    x = 7,536,244,637,516.40/3,172,015.30
  6. Step 6: Final answer
    x = 2,375,853.81

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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.