Home / 2,099,409.68-3,149,614.24-679,465.76

Finding the Fourth Proportional to 2,099,409.68, 3,149,614.24 and 679,465.76

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Solution

The fourth proportional to 2,099,409.68, 3,149,614.24 and 679,465.76 is: 1,019,360.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099,409.68 : 3,149,614.24 = 679,465.76 : x
  2. Step 2: Convert to fraction form
    2,099,409.68/3,149,614.24 = 679,465.76/x
  3. Step 3: Cross multiply
    2,099,409.68x = 3,149,614.24 × 679,465.76
  4. Step 4: Simplify right side
    2,099,409.68x = 2,140,055,033,288.42
  5. Step 5: Solve for x
    x = 2,140,055,033,288.42/2,099,409.68
  6. Step 6: Final answer
    x = 1,019,360.37

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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.