Home / 1,905,806.88-2,857,947.30-840,091.50

Finding the Fourth Proportional to 1,905,806.88, 2,857,947.30 and 840,091.50

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Solution

The fourth proportional to 1,905,806.88, 2,857,947.30 and 840,091.50 is: 1,259,800.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,806.88 : 2,857,947.30 = 840,091.50 : x
  2. Step 2: Convert to fraction form
    1,905,806.88/2,857,947.30 = 840,091.50/x
  3. Step 3: Cross multiply
    1,905,806.88x = 2,857,947.30 × 840,091.50
  4. Step 4: Simplify right side
    1,905,806.88x = 2,400,937,234,177.95
  5. Step 5: Solve for x
    x = 2,400,937,234,177.95/1,905,806.88
  6. Step 6: Final answer
    x = 1,259,800.91

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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.