Home / 2,811,259.75-4,216,889.66-681,343.87

Finding the Fourth Proportional to 2,811,259.75, 4,216,889.66 and 681,343.87

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Solution

The fourth proportional to 2,811,259.75, 4,216,889.66 and 681,343.87 is: 1,022,015.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,259.75 : 4,216,889.66 = 681,343.87 : x
  2. Step 2: Convert to fraction form
    2,811,259.75/4,216,889.66 = 681,343.87/x
  3. Step 3: Cross multiply
    2,811,259.75x = 4,216,889.66 × 681,343.87
  4. Step 4: Simplify right side
    2,811,259.75x = 2,873,151,920,307.38
  5. Step 5: Solve for x
    x = 2,873,151,920,307.38/2,811,259.75
  6. Step 6: Final answer
    x = 1,022,015.81

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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.