Home / 3,378,293.47-5,067,440.20-853,948.72

Finding the Fourth Proportional to 3,378,293.47, 5,067,440.20 and 853,948.72

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Solution

The fourth proportional to 3,378,293.47, 5,067,440.20 and 853,948.72 is: 1,280,923.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378,293.47 : 5,067,440.20 = 853,948.72 : x
  2. Step 2: Convert to fraction form
    3,378,293.47/5,067,440.20 = 853,948.72/x
  3. Step 3: Cross multiply
    3,378,293.47x = 5,067,440.20 × 853,948.72
  4. Step 4: Simplify right side
    3,378,293.47x = 4,327,334,072,466.54
  5. Step 5: Solve for x
    x = 4,327,334,072,466.54/3,378,293.47
  6. Step 6: Final answer
    x = 1,280,923.08

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Similar ratio
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1.5x scale

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.