Home / 3,137,999.90-4,706,999.85-863,519.90

Finding the Fourth Proportional to 3,137,999.90, 4,706,999.85 and 863,519.90

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Solution

The fourth proportional to 3,137,999.90, 4,706,999.85 and 863,519.90 is: 1,295,279.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137,999.90 : 4,706,999.85 = 863,519.90 : x
  2. Step 2: Convert to fraction form
    3,137,999.90/4,706,999.85 = 863,519.90/x
  3. Step 3: Cross multiply
    3,137,999.90x = 4,706,999.85 × 863,519.90
  4. Step 4: Simplify right side
    3,137,999.90x = 4,064,588,039,772.01
  5. Step 5: Solve for x
    x = 4,064,588,039,772.01/3,137,999.90
  6. Step 6: Final answer
    x = 1,295,279.85

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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.