Home / 2,752,117.20-4,128,175.80-2,539,540.80

Finding the Fourth Proportional to 2,752,117.20, 4,128,175.80 and 2,539,540.80

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Solution

The fourth proportional to 2,752,117.20, 4,128,175.80 and 2,539,540.80 is: 3,809,311.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752,117.20 : 4,128,175.80 = 2,539,540.80 : x
  2. Step 2: Convert to fraction form
    2,752,117.20/4,128,175.80 = 2,539,540.80/x
  3. Step 3: Cross multiply
    2,752,117.20x = 4,128,175.80 × 2,539,540.80
  4. Step 4: Simplify right side
    2,752,117.20x = 10,483,670,873,672.64
  5. Step 5: Solve for x
    x = 10,483,670,873,672.64/2,752,117.20
  6. Step 6: Final answer
    x = 3,809,311.20

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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.