Home / 3,748,368.80-5,172,190.86-2,116,743.80

Finding the Fourth Proportional to 3,748,368.80, 5,172,190.86 and 2,116,743.80

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Solution

The fourth proportional to 3,748,368.80, 5,172,190.86 and 2,116,743.80 is: 2,920,791.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748,368.80 : 5,172,190.86 = 2,116,743.80 : x
  2. Step 2: Convert to fraction form
    3,748,368.80/5,172,190.86 = 2,116,743.80/x
  3. Step 3: Cross multiply
    3,748,368.80x = 5,172,190.86 × 2,116,743.80
  4. Step 4: Simplify right side
    3,748,368.80x = 10,948,202,935,321.67
  5. Step 5: Solve for x
    x = 10,948,202,935,321.67/3,748,368.80
  6. Step 6: Final answer
    x = 2,920,791.29

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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.