Home / 1,897,957.84-2,847,592.76-1,187,138.96

Finding the Fourth Proportional to 1,897,957.84, 2,847,592.76 and 1,187,138.96

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Solution

The fourth proportional to 1,897,957.84, 2,847,592.76 and 1,187,138.96 is: 1,781,118.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897,957.84 : 2,847,592.76 = 1,187,138.96 : x
  2. Step 2: Convert to fraction form
    1,897,957.84/2,847,592.76 = 1,187,138.96/x
  3. Step 3: Cross multiply
    1,897,957.84x = 2,847,592.76 × 1,187,138.96
  4. Step 4: Simplify right side
    1,897,957.84x = 3,380,488,307,609.93
  5. Step 5: Solve for x
    x = 3,380,488,307,609.93/1,897,957.84
  6. Step 6: Final answer
    x = 1,781,118.76

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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.