Home / 3,631,999.80-5,439,705.30-2,139,007.80

Finding the Fourth Proportional to 3,631,999.80, 5,439,705.30 and 2,139,007.80

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Solution

The fourth proportional to 3,631,999.80, 5,439,705.30 and 2,139,007.80 is: 3,203,626.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631,999.80 : 5,439,705.30 = 2,139,007.80 : x
  2. Step 2: Convert to fraction form
    3,631,999.80/5,439,705.30 = 2,139,007.80/x
  3. Step 3: Cross multiply
    3,631,999.80x = 5,439,705.30 × 2,139,007.80
  4. Step 4: Simplify right side
    3,631,999.80x = 11,635,572,066,401.34
  5. Step 5: Solve for x
    x = 11,635,572,066,401.34/3,631,999.80
  6. Step 6: Final answer
    x = 3,203,626.85

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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.