Home / 1,542,074.18-2,310,989.18-1,313,185.50

Finding the Fourth Proportional to 1,542,074.18, 2,310,989.18 and 1,313,185.50

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Solution

The fourth proportional to 1,542,074.18, 2,310,989.18 and 1,313,185.50 is: 1,967,971.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,074.18 : 2,310,989.18 = 1,313,185.50 : x
  2. Step 2: Convert to fraction form
    1,542,074.18/2,310,989.18 = 1,313,185.50/x
  3. Step 3: Cross multiply
    1,542,074.18x = 2,310,989.18 × 1,313,185.50
  4. Step 4: Simplify right side
    1,542,074.18x = 3,034,757,481,832.89
  5. Step 5: Solve for x
    x = 3,034,757,481,832.89/1,542,074.18
  6. Step 6: Final answer
    x = 1,967,971.14

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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.