Home / 3,113,091.60-4,668,082.20-1,428,291.60

Finding the Fourth Proportional to 3,113,091.60, 4,668,082.20 and 1,428,291.60

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Solution

The fourth proportional to 3,113,091.60, 4,668,082.20 and 1,428,291.60 is: 2,141,723.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113,091.60 : 4,668,082.20 = 1,428,291.60 : x
  2. Step 2: Convert to fraction form
    3,113,091.60/4,668,082.20 = 1,428,291.60/x
  3. Step 3: Cross multiply
    3,113,091.60x = 4,668,082.20 × 1,428,291.60
  4. Step 4: Simplify right side
    3,113,091.60x = 6,667,382,594,369.52
  5. Step 5: Solve for x
    x = 6,667,382,594,369.52/3,113,091.60
  6. Step 6: Final answer
    x = 2,141,723.87

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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.