Home / 3,500,468.80-5,250,703.20-3,478,350.40

Finding the Fourth Proportional to 3,500,468.80, 5,250,703.20 and 3,478,350.40

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Solution

The fourth proportional to 3,500,468.80, 5,250,703.20 and 3,478,350.40 is: 5,217,525.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500,468.80 : 5,250,703.20 = 3,478,350.40 : x
  2. Step 2: Convert to fraction form
    3,500,468.80/5,250,703.20 = 3,478,350.40/x
  3. Step 3: Cross multiply
    3,500,468.80x = 5,250,703.20 × 3,478,350.40
  4. Step 4: Simplify right side
    3,500,468.80x = 18,263,785,576,001.28
  5. Step 5: Solve for x
    x = 18,263,785,576,001.28/3,500,468.80
  6. Step 6: Final answer
    x = 5,217,525.60

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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.