Home / 3,856,463.20-5,790,915.60-2,910,901.60

Finding the Fourth Proportional to 3,856,463.20, 5,790,915.60 and 2,910,901.60

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Solution

The fourth proportional to 3,856,463.20, 5,790,915.60 and 2,910,901.60 is: 4,371,047.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,856,463.20 : 5,790,915.60 = 2,910,901.60 : x
  2. Step 2: Convert to fraction form
    3,856,463.20/5,790,915.60 = 2,910,901.60/x
  3. Step 3: Cross multiply
    3,856,463.20x = 5,790,915.60 × 2,910,901.60
  4. Step 4: Simplify right side
    3,856,463.20x = 16,856,785,485,504.96
  5. Step 5: Solve for x
    x = 16,856,785,485,504.96/3,856,463.20
  6. Step 6: Final answer
    x = 4,371,047.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.