Home / 5,420,272.32-7,480,185.18-2,972,986.52

Finding the Fourth Proportional to 5,420,272.32, 7,480,185.18 and 2,972,986.52

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Solution

The fourth proportional to 5,420,272.32, 7,480,185.18 and 2,972,986.52 is: 4,102,836.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420,272.32 : 7,480,185.18 = 2,972,986.52 : x
  2. Step 2: Convert to fraction form
    5,420,272.32/7,480,185.18 = 2,972,986.52/x
  3. Step 3: Cross multiply
    5,420,272.32x = 7,480,185.18 × 2,972,986.52
  4. Step 4: Simplify right side
    5,420,272.32x = 22,238,489,669,842.85
  5. Step 5: Solve for x
    x = 22,238,489,669,842.85/5,420,272.32
  6. Step 6: Final answer
    x = 4,102,836.23

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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.