Home / 3,987,924.80-5,977,999.20-2,280,315.20

Finding the Fourth Proportional to 3,987,924.80, 5,977,999.20 and 2,280,315.20

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Solution

The fourth proportional to 3,987,924.80, 5,977,999.20 and 2,280,315.20 is: 3,418,249.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987,924.80 : 5,977,999.20 = 2,280,315.20 : x
  2. Step 2: Convert to fraction form
    3,987,924.80/5,977,999.20 = 2,280,315.20/x
  3. Step 3: Cross multiply
    3,987,924.80x = 5,977,999.20 × 2,280,315.20
  4. Step 4: Simplify right side
    3,987,924.80x = 13,631,722,441,347.84
  5. Step 5: Solve for x
    x = 13,631,722,441,347.84/3,987,924.80
  6. Step 6: Final answer
    x = 3,418,249.62

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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.