Home / 3,378,142.40-5,066,165.66-1,218,886.55

Finding the Fourth Proportional to 3,378,142.40, 5,066,165.66 and 1,218,886.55

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Solution

The fourth proportional to 3,378,142.40, 5,066,165.66 and 1,218,886.55 is: 1,827,951.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378,142.40 : 5,066,165.66 = 1,218,886.55 : x
  2. Step 2: Convert to fraction form
    3,378,142.40/5,066,165.66 = 1,218,886.55/x
  3. Step 3: Cross multiply
    3,378,142.40x = 5,066,165.66 × 1,218,886.55
  4. Step 4: Simplify right side
    3,378,142.40x = 6,175,081,151,620.61
  5. Step 5: Solve for x
    x = 6,175,081,151,620.61/3,378,142.40
  6. Step 6: Final answer
    x = 1,827,951.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.