Home / 3,998,122.62-5,517,409.22-2,162,580.82

Finding the Fourth Proportional to 3,998,122.62, 5,517,409.22 and 2,162,580.82

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Solution

The fourth proportional to 3,998,122.62, 5,517,409.22 and 2,162,580.82 is: 2,984,361.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998,122.62 : 5,517,409.22 = 2,162,580.82 : x
  2. Step 2: Convert to fraction form
    3,998,122.62/5,517,409.22 = 2,162,580.82/x
  3. Step 3: Cross multiply
    3,998,122.62x = 5,517,409.22 × 2,162,580.82
  4. Step 4: Simplify right side
    3,998,122.62x = 11,931,843,355,263.16
  5. Step 5: Solve for x
    x = 11,931,843,355,263.16/3,998,122.62
  6. Step 6: Final answer
    x = 2,984,361.53

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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.