Home / 3,135,998.60-4,703,997.90-3,113,880.20

Finding the Fourth Proportional to 3,135,998.60, 4,703,997.90 and 3,113,880.20

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Solution

The fourth proportional to 3,135,998.60, 4,703,997.90 and 3,113,880.20 is: 4,670,820.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135,998.60 : 4,703,997.90 = 3,113,880.20 : x
  2. Step 2: Convert to fraction form
    3,135,998.60/4,703,997.90 = 3,113,880.20/x
  3. Step 3: Cross multiply
    3,135,998.60x = 4,703,997.90 × 3,113,880.20
  4. Step 4: Simplify right side
    3,135,998.60x = 14,647,685,921,651.58
  5. Step 5: Solve for x
    x = 14,647,685,921,651.58/3,135,998.60
  6. Step 6: Final answer
    x = 4,670,820.30

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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.