Home / 3,990,967.24-5,507,525.44-2,180,144.20

Finding the Fourth Proportional to 3,990,967.24, 5,507,525.44 and 2,180,144.20

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Solution

The fourth proportional to 3,990,967.24, 5,507,525.44 and 2,180,144.20 is: 3,008,593.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990,967.24 : 5,507,525.44 = 2,180,144.20 : x
  2. Step 2: Convert to fraction form
    3,990,967.24/5,507,525.44 = 2,180,144.20/x
  3. Step 3: Cross multiply
    3,990,967.24x = 5,507,525.44 × 2,180,144.20
  4. Step 4: Simplify right side
    3,990,967.24x = 12,007,199,644,368.45
  5. Step 5: Solve for x
    x = 12,007,199,644,368.45/3,990,967.24
  6. Step 6: Final answer
    x = 3,008,593.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.