Home / 3,969,972.90-5,954,959.35-3,621,608.10

Finding the Fourth Proportional to 3,969,972.90, 5,954,959.35 and 3,621,608.10

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Solution

The fourth proportional to 3,969,972.90, 5,954,959.35 and 3,621,608.10 is: 5,432,412.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969,972.90 : 5,954,959.35 = 3,621,608.10 : x
  2. Step 2: Convert to fraction form
    3,969,972.90/5,954,959.35 = 3,621,608.10/x
  3. Step 3: Cross multiply
    3,969,972.90x = 5,954,959.35 × 3,621,608.10
  4. Step 4: Simplify right side
    3,969,972.90x = 21,566,529,017,130.73
  5. Step 5: Solve for x
    x = 21,566,529,017,130.73/3,969,972.90
  6. Step 6: Final answer
    x = 5,432,412.15

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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.