Home / 5,486,739.40-8,230,109.10-3,471,200.20

Finding the Fourth Proportional to 5,486,739.40, 8,230,109.10 and 3,471,200.20

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Solution

The fourth proportional to 5,486,739.40, 8,230,109.10 and 3,471,200.20 is: 5,206,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486,739.40 : 8,230,109.10 = 3,471,200.20 : x
  2. Step 2: Convert to fraction form
    5,486,739.40/8,230,109.10 = 3,471,200.20/x
  3. Step 3: Cross multiply
    5,486,739.40x = 8,230,109.10 × 3,471,200.20
  4. Step 4: Simplify right side
    5,486,739.40x = 28,568,356,353,941.82
  5. Step 5: Solve for x
    x = 28,568,356,353,941.82/5,486,739.40
  6. Step 6: Final answer
    x = 5,206,800.30

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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.