Home / 3,318,219.07-4,580,557.76-2,231,120.77

Finding the Fourth Proportional to 3,318,219.07, 4,580,557.76 and 2,231,120.77

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Solution

The fourth proportional to 3,318,219.07, 4,580,557.76 and 2,231,120.77 is: 3,079,898.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318,219.07 : 4,580,557.76 = 2,231,120.77 : x
  2. Step 2: Convert to fraction form
    3,318,219.07/4,580,557.76 = 2,231,120.77/x
  3. Step 3: Cross multiply
    3,318,219.07x = 4,580,557.76 × 2,231,120.77
  4. Step 4: Simplify right side
    3,318,219.07x = 10,219,777,550,647.08
  5. Step 5: Solve for x
    x = 10,219,777,550,647.08/3,318,219.07
  6. Step 6: Final answer
    x = 3,079,898.39

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Double scale
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Similar ratio
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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.