Home / 5,485,878.35-8,229,358.82-1,891,172.06

Finding the Fourth Proportional to 5,485,878.35, 8,229,358.82 and 1,891,172.06

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Solution

The fourth proportional to 5,485,878.35, 8,229,358.82 and 1,891,172.06 is: 2,836,944.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485,878.35 : 8,229,358.82 = 1,891,172.06 : x
  2. Step 2: Convert to fraction form
    5,485,878.35/8,229,358.82 = 1,891,172.06/x
  3. Step 3: Cross multiply
    5,485,878.35x = 8,229,358.82 × 1,891,172.06
  4. Step 4: Simplify right side
    5,485,878.35x = 15,563,133,472,098.57
  5. Step 5: Solve for x
    x = 15,563,133,472,098.57/5,485,878.35
  6. Step 6: Final answer
    x = 2,836,944.69

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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.