Home / 3,992,894.98-5,503,739.61-3,120,212.95

Finding the Fourth Proportional to 3,992,894.98, 5,503,739.61 and 3,120,212.95

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Solution

The fourth proportional to 3,992,894.98, 5,503,739.61 and 3,120,212.95 is: 4,300,849.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992,894.98 : 5,503,739.61 = 3,120,212.95 : x
  2. Step 2: Convert to fraction form
    3,992,894.98/5,503,739.61 = 3,120,212.95/x
  3. Step 3: Cross multiply
    3,992,894.98x = 5,503,739.61 × 3,120,212.95
  4. Step 4: Simplify right side
    3,992,894.98x = 17,172,839,604,549.95
  5. Step 5: Solve for x
    x = 17,172,839,604,549.95/3,992,894.98
  6. Step 6: Final answer
    x = 4,300,849.31

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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.