Home / 4,150,853.40-6,226,280.10-3,991,421.10

Finding the Fourth Proportional to 4,150,853.40, 6,226,280.10 and 3,991,421.10

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Solution

The fourth proportional to 4,150,853.40, 6,226,280.10 and 3,991,421.10 is: 5,987,131.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,150,853.40 : 6,226,280.10 = 3,991,421.10 : x
  2. Step 2: Convert to fraction form
    4,150,853.40/6,226,280.10 = 3,991,421.10/x
  3. Step 3: Cross multiply
    4,150,853.40x = 6,226,280.10 × 3,991,421.10
  4. Step 4: Simplify right side
    4,150,853.40x = 24,851,705,765,650.11
  5. Step 5: Solve for x
    x = 24,851,705,765,650.11/4,150,853.40
  6. Step 6: Final answer
    x = 5,987,131.65

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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.