Home / 1,947,475.89-2,687,056.14-1,131,194.54

Finding the Fourth Proportional to 1,947,475.89, 2,687,056.14 and 1,131,194.54

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Solution

The fourth proportional to 1,947,475.89, 2,687,056.14 and 1,131,194.54 is: 1,560,780.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,475.89 : 2,687,056.14 = 1,131,194.54 : x
  2. Step 2: Convert to fraction form
    1,947,475.89/2,687,056.14 = 1,131,194.54/x
  3. Step 3: Cross multiply
    1,947,475.89x = 2,687,056.14 × 1,131,194.54
  4. Step 4: Simplify right side
    1,947,475.89x = 3,039,583,220,806.20
  5. Step 5: Solve for x
    x = 3,039,583,220,806.20/1,947,475.89
  6. Step 6: Final answer
    x = 1,560,780.92

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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.