Home / 2,631,877.20-3,947,815.80-2,258,629.20

Finding the Fourth Proportional to 2,631,877.20, 3,947,815.80 and 2,258,629.20

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Solution

The fourth proportional to 2,631,877.20, 3,947,815.80 and 2,258,629.20 is: 3,387,943.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,877.20 : 3,947,815.80 = 2,258,629.20 : x
  2. Step 2: Convert to fraction form
    2,631,877.20/3,947,815.80 = 2,258,629.20/x
  3. Step 3: Cross multiply
    2,631,877.20x = 3,947,815.80 × 2,258,629.20
  4. Step 4: Simplify right side
    2,631,877.20x = 8,916,652,042,101.36
  5. Step 5: Solve for x
    x = 8,916,652,042,101.36/2,631,877.20
  6. Step 6: Final answer
    x = 3,387,943.80

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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.