Home / 2,187,637.85-3,281,456.78-1,921,917.35

Finding the Fourth Proportional to 2,187,637.85, 3,281,456.78 and 1,921,917.35

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Solution

The fourth proportional to 2,187,637.85, 3,281,456.78 and 1,921,917.35 is: 2,882,876.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,637.85 : 3,281,456.78 = 1,921,917.35 : x
  2. Step 2: Convert to fraction form
    2,187,637.85/3,281,456.78 = 1,921,917.35/x
  3. Step 3: Cross multiply
    2,187,637.85x = 3,281,456.78 × 1,921,917.35
  4. Step 4: Simplify right side
    2,187,637.85x = 6,306,688,709,147.55
  5. Step 5: Solve for x
    x = 6,306,688,709,147.55/2,187,637.85
  6. Step 6: Final answer
    x = 2,882,876.03

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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.