Home / 3,318,221.82-4,580,561.56-2,231,123.52

Finding the Fourth Proportional to 3,318,221.82, 4,580,561.56 and 2,231,123.52

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Solution

The fourth proportional to 3,318,221.82, 4,580,561.56 and 2,231,123.52 is: 3,079,902.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318,221.82 : 4,580,561.56 = 2,231,123.52 : x
  2. Step 2: Convert to fraction form
    3,318,221.82/4,580,561.56 = 2,231,123.52/x
  3. Step 3: Cross multiply
    3,318,221.82x = 4,580,561.56 × 2,231,123.52
  4. Step 4: Simplify right side
    3,318,221.82x = 10,219,798,631,323.89
  5. Step 5: Solve for x
    x = 10,219,798,631,323.89/3,318,221.82
  6. Step 6: Final answer
    x = 3,079,902.18

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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.