Home / 1,897,947.84-2,847,577.76-1,187,128.96

Finding the Fourth Proportional to 1,897,947.84, 2,847,577.76 and 1,187,128.96

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Solution

The fourth proportional to 1,897,947.84, 2,847,577.76 and 1,187,128.96 is: 1,781,103.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897,947.84 : 2,847,577.76 = 1,187,128.96 : x
  2. Step 2: Convert to fraction form
    1,897,947.84/2,847,577.76 = 1,187,128.96/x
  3. Step 3: Cross multiply
    1,897,947.84x = 2,847,577.76 × 1,187,128.96
  4. Step 4: Simplify right side
    1,897,947.84x = 3,380,442,024,747.93
  5. Step 5: Solve for x
    x = 3,380,442,024,747.93/1,897,947.84
  6. Step 6: Final answer
    x = 1,781,103.76

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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.