Home / 2,699,721.80-4,049,630.70-806,486.60

Finding the Fourth Proportional to 2,699,721.80, 4,049,630.70 and 806,486.60

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Solution

The fourth proportional to 2,699,721.80, 4,049,630.70 and 806,486.60 is: 1,209,744.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,699,721.80 : 4,049,630.70 = 806,486.60 : x
  2. Step 2: Convert to fraction form
    2,699,721.80/4,049,630.70 = 806,486.60/x
  3. Step 3: Cross multiply
    2,699,721.80x = 4,049,630.70 × 806,486.60
  4. Step 4: Simplify right side
    2,699,721.80x = 3,265,972,894,498.62
  5. Step 5: Solve for x
    x = 3,265,972,894,498.62/2,699,721.80
  6. Step 6: Final answer
    x = 1,209,744.24

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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.