Home / 3,171,996.83-4,377,360.06-1,721,692.60

Finding the Fourth Proportional to 3,171,996.83, 4,377,360.06 and 1,721,692.60

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Solution

The fourth proportional to 3,171,996.83, 4,377,360.06 and 1,721,692.60 is: 2,375,938.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,996.83 : 4,377,360.06 = 1,721,692.60 : x
  2. Step 2: Convert to fraction form
    3,171,996.83/4,377,360.06 = 1,721,692.60/x
  3. Step 3: Cross multiply
    3,171,996.83x = 4,377,360.06 × 1,721,692.60
  4. Step 4: Simplify right side
    3,171,996.83x = 7,536,468,411,894.15
  5. Step 5: Solve for x
    x = 7,536,468,411,894.15/3,171,996.83
  6. Step 6: Final answer
    x = 2,375,938.19

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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.