Home / 6,862,135.20-9,469,563.84-3,961,428

Finding the Fourth Proportional to 6,862,135.20, 9,469,563.84 and 3,961,428

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Solution

The fourth proportional to 6,862,135.20, 9,469,563.84 and 3,961,428 is: 5,466,665.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,862,135.20 : 9,469,563.84 = 3,961,428 : x
  2. Step 2: Convert to fraction form
    6,862,135.20/9,469,563.84 = 3,961,428/x
  3. Step 3: Cross multiply
    6,862,135.20x = 9,469,563.84 × 3,961,428
  4. Step 4: Simplify right side
    6,862,135.20x = 37,512,995,343,563.52
  5. Step 5: Solve for x
    x = 37,512,995,343,563.52/6,862,135.20
  6. Step 6: Final answer
    x = 5,466,665.15

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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.