Home / 2,142,437.45-3,215,209.55-794,792.25

Finding the Fourth Proportional to 2,142,437.45, 3,215,209.55 and 794,792.25

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Solution

The fourth proportional to 2,142,437.45, 3,215,209.55 and 794,792.25 is: 1,192,764.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,437.45 : 3,215,209.55 = 794,792.25 : x
  2. Step 2: Convert to fraction form
    2,142,437.45/3,215,209.55 = 794,792.25/x
  3. Step 3: Cross multiply
    2,142,437.45x = 3,215,209.55 × 794,792.25
  4. Step 4: Simplify right side
    2,142,437.45x = 2,555,423,628,492.03
  5. Step 5: Solve for x
    x = 2,555,423,628,492.03/2,142,437.45
  6. Step 6: Final answer
    x = 1,192,764.64

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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.