Home / 2,227,689.74-3,074,129.60-1,209,072.62

Finding the Fourth Proportional to 2,227,689.74, 3,074,129.60 and 1,209,072.62

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Solution

The fourth proportional to 2,227,689.74, 3,074,129.60 and 1,209,072.62 is: 1,668,475.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227,689.74 : 3,074,129.60 = 1,209,072.62 : x
  2. Step 2: Convert to fraction form
    2,227,689.74/3,074,129.60 = 1,209,072.62/x
  3. Step 3: Cross multiply
    2,227,689.74x = 3,074,129.60 × 1,209,072.62
  4. Step 4: Simplify right side
    2,227,689.74x = 3,716,845,929,691.55
  5. Step 5: Solve for x
    x = 3,716,845,929,691.55/2,227,689.74
  6. Step 6: Final answer
    x = 1,668,475.58

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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.