Home / 6,226,688.80-9,340,033.20-3,987,200.80

Finding the Fourth Proportional to 6,226,688.80, 9,340,033.20 and 3,987,200.80

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Solution

The fourth proportional to 6,226,688.80, 9,340,033.20 and 3,987,200.80 is: 5,980,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,226,688.80 : 9,340,033.20 = 3,987,200.80 : x
  2. Step 2: Convert to fraction form
    6,226,688.80/9,340,033.20 = 3,987,200.80/x
  3. Step 3: Cross multiply
    6,226,688.80x = 9,340,033.20 × 3,987,200.80
  4. Step 4: Simplify right side
    6,226,688.80x = 37,240,587,847,066.55
  5. Step 5: Solve for x
    x = 37,240,587,847,066.55/6,226,688.80
  6. Step 6: Final answer
    x = 5,980,801.20

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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.