Home / 2,618,311.88-3,927,428.36-1,177,978.12

Finding the Fourth Proportional to 2,618,311.88, 3,927,428.36 and 1,177,978.12

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Solution

The fourth proportional to 2,618,311.88, 3,927,428.36 and 1,177,978.12 is: 1,766,949.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618,311.88 : 3,927,428.36 = 1,177,978.12 : x
  2. Step 2: Convert to fraction form
    2,618,311.88/3,927,428.36 = 1,177,978.12/x
  3. Step 3: Cross multiply
    2,618,311.88x = 3,927,428.36 × 1,177,978.12
  4. Step 4: Simplify right side
    2,618,311.88x = 4,626,424,675,947.48
  5. Step 5: Solve for x
    x = 4,626,424,675,947.48/2,618,311.88
  6. Step 6: Final answer
    x = 1,766,949.43

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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.