Home / 3,138,423.98-4,707,015.91-863,361.38

Finding the Fourth Proportional to 3,138,423.98, 4,707,015.91 and 863,361.38

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Solution

The fourth proportional to 3,138,423.98, 4,707,015.91 and 863,361.38 is: 1,294,871.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,423.98 : 4,707,015.91 = 863,361.38 : x
  2. Step 2: Convert to fraction form
    3,138,423.98/4,707,015.91 = 863,361.38/x
  3. Step 3: Cross multiply
    3,138,423.98x = 4,707,015.91 × 863,361.38
  4. Step 4: Simplify right side
    3,138,423.98x = 4,063,855,761,348.69
  5. Step 5: Solve for x
    x = 4,063,855,761,348.69/3,138,423.98
  6. Step 6: Final answer
    x = 1,294,871.50

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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.