Home / 5,328,892.80-7,993,339.20-3,628,281.60

Finding the Fourth Proportional to 5,328,892.80, 7,993,339.20 and 3,628,281.60

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Solution

The fourth proportional to 5,328,892.80, 7,993,339.20 and 3,628,281.60 is: 5,442,422.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328,892.80 : 7,993,339.20 = 3,628,281.60 : x
  2. Step 2: Convert to fraction form
    5,328,892.80/7,993,339.20 = 3,628,281.60/x
  3. Step 3: Cross multiply
    5,328,892.80x = 7,993,339.20 × 3,628,281.60
  4. Step 4: Simplify right side
    5,328,892.80x = 29,002,085,541,918.72
  5. Step 5: Solve for x
    x = 29,002,085,541,918.72/5,328,892.80
  6. Step 6: Final answer
    x = 5,442,422.40

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Similar ratio
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1.5x scale

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.