Home / 3,120,793.77-4,305,478.89-1,958,561.83

Finding the Fourth Proportional to 3,120,793.77, 4,305,478.89 and 1,958,561.83

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Solution

The fourth proportional to 3,120,793.77, 4,305,478.89 and 1,958,561.83 is: 2,702,051.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,793.77 : 4,305,478.89 = 1,958,561.83 : x
  2. Step 2: Convert to fraction form
    3,120,793.77/4,305,478.89 = 1,958,561.83/x
  3. Step 3: Cross multiply
    3,120,793.77x = 4,305,478.89 × 1,958,561.83
  4. Step 4: Simplify right side
    3,120,793.77x = 8,432,546,613,824.77
  5. Step 5: Solve for x
    x = 8,432,546,613,824.77/3,120,793.77
  6. Step 6: Final answer
    x = 2,702,051.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.