Home / 2,811,381.36-4,217,034.78-681,484.74

Finding the Fourth Proportional to 2,811,381.36, 4,217,034.78 and 681,484.74

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Solution

The fourth proportional to 2,811,381.36, 4,217,034.78 and 681,484.74 is: 1,022,218.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,381.36 : 4,217,034.78 = 681,484.74 : x
  2. Step 2: Convert to fraction form
    2,811,381.36/4,217,034.78 = 681,484.74/x
  3. Step 3: Cross multiply
    2,811,381.36x = 4,217,034.78 × 681,484.74
  4. Step 4: Simplify right side
    2,811,381.36x = 2,873,844,850,619.26
  5. Step 5: Solve for x
    x = 2,873,844,850,619.26/2,811,381.36
  6. Step 6: Final answer
    x = 1,022,218.08

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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.