Home / 2,862,177.32-3,949,850.77-1,638,477.92

Finding the Fourth Proportional to 2,862,177.32, 3,949,850.77 and 1,638,477.92

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Solution

The fourth proportional to 2,862,177.32, 3,949,850.77 and 1,638,477.92 is: 2,261,125.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862,177.32 : 3,949,850.77 = 1,638,477.92 : x
  2. Step 2: Convert to fraction form
    2,862,177.32/3,949,850.77 = 1,638,477.92/x
  3. Step 3: Cross multiply
    2,862,177.32x = 3,949,850.77 × 1,638,477.92
  4. Step 4: Simplify right side
    2,862,177.32x = 6,471,743,273,940.00
  5. Step 5: Solve for x
    x = 6,471,743,273,940.00/2,862,177.32
  6. Step 6: Final answer
    x = 2,261,125.90

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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.