Home / 2,420,708.31-3,629,380.91-1,072,136.07

Finding the Fourth Proportional to 2,420,708.31, 3,629,380.91 and 1,072,136.07

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Solution

The fourth proportional to 2,420,708.31, 3,629,380.91 and 1,072,136.07 is: 1,607,459.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420,708.31 : 3,629,380.91 = 1,072,136.07 : x
  2. Step 2: Convert to fraction form
    2,420,708.31/3,629,380.91 = 1,072,136.07/x
  3. Step 3: Cross multiply
    2,420,708.31x = 3,629,380.91 × 1,072,136.07
  4. Step 4: Simplify right side
    2,420,708.31x = 3,891,190,180,019.74
  5. Step 5: Solve for x
    x = 3,891,190,180,019.74/2,420,708.31
  6. Step 6: Final answer
    x = 1,607,459.34

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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.