Home / 4,378,971.20-6,568,456.80-3,175,246.40

Finding the Fourth Proportional to 4,378,971.20, 6,568,456.80 and 3,175,246.40

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Solution

The fourth proportional to 4,378,971.20, 6,568,456.80 and 3,175,246.40 is: 4,762,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378,971.20 : 6,568,456.80 = 3,175,246.40 : x
  2. Step 2: Convert to fraction form
    4,378,971.20/6,568,456.80 = 3,175,246.40/x
  3. Step 3: Cross multiply
    4,378,971.20x = 6,568,456.80 × 3,175,246.40
  4. Step 4: Simplify right side
    4,378,971.20x = 20,856,468,807,755.52
  5. Step 5: Solve for x
    x = 20,856,468,807,755.52/4,378,971.20
  6. Step 6: Final answer
    x = 4,762,869.60

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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.