Home / 2,664,660.62-3,996,953.80-642,887.56

Finding the Fourth Proportional to 2,664,660.62, 3,996,953.80 and 642,887.56

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Solution

The fourth proportional to 2,664,660.62, 3,996,953.80 and 642,887.56 is: 964,322.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664,660.62 : 3,996,953.80 = 642,887.56 : x
  2. Step 2: Convert to fraction form
    2,664,660.62/3,996,953.80 = 642,887.56/x
  3. Step 3: Cross multiply
    2,664,660.62x = 3,996,953.80 × 642,887.56
  4. Step 4: Simplify right side
    2,664,660.62x = 2,569,591,867,158.18
  5. Step 5: Solve for x
    x = 2,569,591,867,158.18/2,664,660.62
  6. Step 6: Final answer
    x = 964,322.38

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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.