Home / 3,748,367.30-5,172,188.79-2,116,742.30

Finding the Fourth Proportional to 3,748,367.30, 5,172,188.79 and 2,116,742.30

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Solution

The fourth proportional to 3,748,367.30, 5,172,188.79 and 2,116,742.30 is: 2,920,789.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748,367.30 : 5,172,188.79 = 2,116,742.30 : x
  2. Step 2: Convert to fraction form
    3,748,367.30/5,172,188.79 = 2,116,742.30/x
  3. Step 3: Cross multiply
    3,748,367.30x = 5,172,188.79 × 2,116,742.30
  4. Step 4: Simplify right side
    3,748,367.30x = 10,948,190,795,378.82
  5. Step 5: Solve for x
    x = 10,948,190,795,378.82/3,748,367.30
  6. Step 6: Final answer
    x = 2,920,789.22

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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.