Home / 2,215,228.40-3,320,218.20-1,653,606.80

Finding the Fourth Proportional to 2,215,228.40, 3,320,218.20 and 1,653,606.80

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Solution

The fourth proportional to 2,215,228.40, 3,320,218.20 and 1,653,606.80 is: 2,478,451.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215,228.40 : 3,320,218.20 = 1,653,606.80 : x
  2. Step 2: Convert to fraction form
    2,215,228.40/3,320,218.20 = 1,653,606.80/x
  3. Step 3: Cross multiply
    2,215,228.40x = 3,320,218.20 × 1,653,606.80
  4. Step 4: Simplify right side
    2,215,228.40x = 5,490,335,393,003.76
  5. Step 5: Solve for x
    x = 5,490,335,393,003.76/2,215,228.40
  6. Step 6: Final answer
    x = 2,478,451.16

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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.