Home / 3,171,810.75-4,377,100.94-1,721,506.20

Finding the Fourth Proportional to 3,171,810.75, 4,377,100.94 and 1,721,506.20

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Solution

The fourth proportional to 3,171,810.75, 4,377,100.94 and 1,721,506.20 is: 2,375,679.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,810.75 : 4,377,100.94 = 1,721,506.20 : x
  2. Step 2: Convert to fraction form
    3,171,810.75/4,377,100.94 = 1,721,506.20/x
  3. Step 3: Cross multiply
    3,171,810.75x = 4,377,100.94 × 1,721,506.20
  4. Step 4: Simplify right side
    3,171,810.75x = 7,535,206,406,235.83
  5. Step 5: Solve for x
    x = 7,535,206,406,235.83/3,171,810.75
  6. Step 6: Final answer
    x = 2,375,679.70

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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.