Home / 3,431,821.13-5,147,761.86-873,038.78

Finding the Fourth Proportional to 3,431,821.13, 5,147,761.86 and 873,038.78

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Solution

The fourth proportional to 3,431,821.13, 5,147,761.86 and 873,038.78 is: 1,309,565.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431,821.13 : 5,147,761.86 = 873,038.78 : x
  2. Step 2: Convert to fraction form
    3,431,821.13/5,147,761.86 = 873,038.78/x
  3. Step 3: Cross multiply
    3,431,821.13x = 5,147,761.86 × 873,038.78
  4. Step 4: Simplify right side
    3,431,821.13x = 4,494,195,732,903.07
  5. Step 5: Solve for x
    x = 4,494,195,732,903.07/3,431,821.13
  6. Step 6: Final answer
    x = 1,309,565.84

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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.