Home / 3,612,145.59-5,419,017.05-1,215,911.25

Finding the Fourth Proportional to 3,612,145.59, 5,419,017.05 and 1,215,911.25

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Solution

The fourth proportional to 3,612,145.59, 5,419,017.05 and 1,215,911.25 is: 1,824,135.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612,145.59 : 5,419,017.05 = 1,215,911.25 : x
  2. Step 2: Convert to fraction form
    3,612,145.59/5,419,017.05 = 1,215,911.25/x
  3. Step 3: Cross multiply
    3,612,145.59x = 5,419,017.05 × 1,215,911.25
  4. Step 4: Simplify right side
    3,612,145.59x = 6,589,043,788,957.26
  5. Step 5: Solve for x
    x = 6,589,043,788,957.26/3,612,145.59
  6. Step 6: Final answer
    x = 1,824,135.72

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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.