Home / 1,812,439.86-2,716,961.21-613,523.22

Finding the Fourth Proportional to 1,812,439.86, 2,716,961.21 and 613,523.22

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Solution

The fourth proportional to 1,812,439.86, 2,716,961.21 and 613,523.22 is: 919,709.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,439.86 : 2,716,961.21 = 613,523.22 : x
  2. Step 2: Convert to fraction form
    1,812,439.86/2,716,961.21 = 613,523.22/x
  3. Step 3: Cross multiply
    1,812,439.86x = 2,716,961.21 × 613,523.22
  4. Step 4: Simplify right side
    1,812,439.86x = 1,666,918,776,589.49
  5. Step 5: Solve for x
    x = 1,666,918,776,589.49/1,812,439.86
  6. Step 6: Final answer
    x = 919,709.84

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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.