Home / 2,877,638.92-3,972,324.27-1,962,887.56

Finding the Fourth Proportional to 2,877,638.92, 3,972,324.27 and 1,962,887.56

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Solution

The fourth proportional to 2,877,638.92, 3,972,324.27 and 1,962,887.56 is: 2,709,591.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877,638.92 : 3,972,324.27 = 1,962,887.56 : x
  2. Step 2: Convert to fraction form
    2,877,638.92/3,972,324.27 = 1,962,887.56/x
  3. Step 3: Cross multiply
    2,877,638.92x = 3,972,324.27 × 1,962,887.56
  4. Step 4: Simplify right side
    2,877,638.92x = 7,797,225,893,869.08
  5. Step 5: Solve for x
    x = 7,797,225,893,869.08/2,877,638.92
  6. Step 6: Final answer
    x = 2,709,591.48

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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.