Home / 2,177,649.72-3,264,345.90-979,873.56

Finding the Fourth Proportional to 2,177,649.72, 3,264,345.90 and 979,873.56

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Solution

The fourth proportional to 2,177,649.72, 3,264,345.90 and 979,873.56 is: 1,468,852.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,649.72 : 3,264,345.90 = 979,873.56 : x
  2. Step 2: Convert to fraction form
    2,177,649.72/3,264,345.90 = 979,873.56/x
  3. Step 3: Cross multiply
    2,177,649.72x = 3,264,345.90 × 979,873.56
  4. Step 4: Simplify right side
    2,177,649.72x = 3,198,646,238,104.40
  5. Step 5: Solve for x
    x = 3,198,646,238,104.40/2,177,649.72
  6. Step 6: Final answer
    x = 1,468,852.50

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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.