Home / 2,415,720.82-3,623,486.65-818,283.91

Finding the Fourth Proportional to 2,415,720.82, 3,623,486.65 and 818,283.91

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Solution

The fourth proportional to 2,415,720.82, 3,623,486.65 and 818,283.91 is: 1,227,393.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415,720.82 : 3,623,486.65 = 818,283.91 : x
  2. Step 2: Convert to fraction form
    2,415,720.82/3,623,486.65 = 818,283.91/x
  3. Step 3: Cross multiply
    2,415,720.82x = 3,623,486.65 × 818,283.91
  4. Step 4: Simplify right side
    2,415,720.82x = 2,965,040,823,794.80
  5. Step 5: Solve for x
    x = 2,965,040,823,794.80/2,415,720.82
  6. Step 6: Final answer
    x = 1,227,393.83

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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.