Home / 3,748,372.80-5,172,196.38-2,116,747.80

Finding the Fourth Proportional to 3,748,372.80, 5,172,196.38 and 2,116,747.80

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Solution

The fourth proportional to 3,748,372.80, 5,172,196.38 and 2,116,747.80 is: 2,920,796.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748,372.80 : 5,172,196.38 = 2,116,747.80 : x
  2. Step 2: Convert to fraction form
    3,748,372.80/5,172,196.38 = 2,116,747.80/x
  3. Step 3: Cross multiply
    3,748,372.80x = 5,172,196.38 × 2,116,747.80
  4. Step 4: Simplify right side
    3,748,372.80x = 10,948,235,308,532.96
  5. Step 5: Solve for x
    x = 10,948,235,308,532.96/3,748,372.80
  6. Step 6: Final answer
    x = 2,920,796.81

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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.