Home / 3,836,931.33-5,294,977.92-2,118,047.76

Finding the Fourth Proportional to 3,836,931.33, 5,294,977.92 and 2,118,047.76

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Solution

The fourth proportional to 3,836,931.33, 5,294,977.92 and 2,118,047.76 is: 2,922,912.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836,931.33 : 5,294,977.92 = 2,118,047.76 : x
  2. Step 2: Convert to fraction form
    3,836,931.33/5,294,977.92 = 2,118,047.76/x
  3. Step 3: Cross multiply
    3,836,931.33x = 5,294,977.92 × 2,118,047.76
  4. Step 4: Simplify right side
    3,836,931.33x = 11,215,016,122,705.46
  5. Step 5: Solve for x
    x = 11,215,016,122,705.46/3,836,931.33
  6. Step 6: Final answer
    x = 2,922,912.91

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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.