Home / 2,819,343.72-3,890,722.66-1,530,195.56

Finding the Fourth Proportional to 2,819,343.72, 3,890,722.66 and 1,530,195.56

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Solution

The fourth proportional to 2,819,343.72, 3,890,722.66 and 1,530,195.56 is: 2,111,685.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,343.72 : 3,890,722.66 = 1,530,195.56 : x
  2. Step 2: Convert to fraction form
    2,819,343.72/3,890,722.66 = 1,530,195.56/x
  3. Step 3: Cross multiply
    2,819,343.72x = 3,890,722.66 × 1,530,195.56
  4. Step 4: Simplify right side
    2,819,343.72x = 5,953,566,539,523.39
  5. Step 5: Solve for x
    x = 5,953,566,539,523.39/2,819,343.72
  6. Step 6: Final answer
    x = 2,111,685.25

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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.