Home / 5,005,200.60-7,507,800.90-1,639,747.80

Finding the Fourth Proportional to 5,005,200.60, 7,507,800.90 and 1,639,747.80

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Solution

The fourth proportional to 5,005,200.60, 7,507,800.90 and 1,639,747.80 is: 2,459,621.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005,200.60 : 7,507,800.90 = 1,639,747.80 : x
  2. Step 2: Convert to fraction form
    5,005,200.60/7,507,800.90 = 1,639,747.80/x
  3. Step 3: Cross multiply
    5,005,200.60x = 7,507,800.90 × 1,639,747.80
  4. Step 4: Simplify right side
    5,005,200.60x = 12,310,900,008,613.02
  5. Step 5: Solve for x
    x = 12,310,900,008,613.02/5,005,200.60
  6. Step 6: Final answer
    x = 2,459,621.70

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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.