Home / 3,132,033.20-4,698,049.80-1,620,378.80

Finding the Fourth Proportional to 3,132,033.20, 4,698,049.80 and 1,620,378.80

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Solution

The fourth proportional to 3,132,033.20, 4,698,049.80 and 1,620,378.80 is: 2,430,568.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132,033.20 : 4,698,049.80 = 1,620,378.80 : x
  2. Step 2: Convert to fraction form
    3,132,033.20/4,698,049.80 = 1,620,378.80/x
  3. Step 3: Cross multiply
    3,132,033.20x = 4,698,049.80 × 1,620,378.80
  4. Step 4: Simplify right side
    3,132,033.20x = 7,612,620,297,264.24
  5. Step 5: Solve for x
    x = 7,612,620,297,264.24/3,132,033.20
  6. Step 6: Final answer
    x = 2,430,568.20

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Similar ratio
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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.