Home / 3,191,214.92-4,403,274.28-1,902,175.25

Finding the Fourth Proportional to 3,191,214.92, 4,403,274.28 and 1,902,175.25

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Solution

The fourth proportional to 3,191,214.92, 4,403,274.28 and 1,902,175.25 is: 2,624,642.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191,214.92 : 4,403,274.28 = 1,902,175.25 : x
  2. Step 2: Convert to fraction form
    3,191,214.92/4,403,274.28 = 1,902,175.25/x
  3. Step 3: Cross multiply
    3,191,214.92x = 4,403,274.28 × 1,902,175.25
  4. Step 4: Simplify right side
    3,191,214.92x = 8,375,799,327,605.76
  5. Step 5: Solve for x
    x = 8,375,799,327,605.76/3,191,214.92
  6. Step 6: Final answer
    x = 2,624,642.82

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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.