Home / 3,420,207.70-5,126,927.55-1,619,926.90

Finding the Fourth Proportional to 3,420,207.70, 5,126,927.55 and 1,619,926.90

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Solution

The fourth proportional to 3,420,207.70, 5,126,927.55 and 1,619,926.90 is: 2,428,287.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,207.70 : 5,126,927.55 = 1,619,926.90 : x
  2. Step 2: Convert to fraction form
    3,420,207.70/5,126,927.55 = 1,619,926.90/x
  3. Step 3: Cross multiply
    3,420,207.70x = 5,126,927.55 × 1,619,926.90
  4. Step 4: Simplify right side
    3,420,207.70x = 8,305,247,852,596.09
  5. Step 5: Solve for x
    x = 8,305,247,852,596.09/3,420,207.70
  6. Step 6: Final answer
    x = 2,428,287.57

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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.