Home / 3,120,246.60-4,675,121.10-2,668,849.80

Finding the Fourth Proportional to 3,120,246.60, 4,675,121.10 and 2,668,849.80

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Solution

The fourth proportional to 3,120,246.60, 4,675,121.10 and 2,668,849.80 is: 3,998,785.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,246.60 : 4,675,121.10 = 2,668,849.80 : x
  2. Step 2: Convert to fraction form
    3,120,246.60/4,675,121.10 = 2,668,849.80/x
  3. Step 3: Cross multiply
    3,120,246.60x = 4,675,121.10 × 2,668,849.80
  4. Step 4: Simplify right side
    3,120,246.60x = 12,477,196,012,710.78
  5. Step 5: Solve for x
    x = 12,477,196,012,710.78/3,120,246.60
  6. Step 6: Final answer
    x = 3,998,785.23

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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.