Home / 2,105,999.70-3,158,999.55-2,074,506.90

Finding the Fourth Proportional to 2,105,999.70, 3,158,999.55 and 2,074,506.90

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Solution

The fourth proportional to 2,105,999.70, 3,158,999.55 and 2,074,506.90 is: 3,111,760.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,999.70 : 3,158,999.55 = 2,074,506.90 : x
  2. Step 2: Convert to fraction form
    2,105,999.70/3,158,999.55 = 2,074,506.90/x
  3. Step 3: Cross multiply
    2,105,999.70x = 3,158,999.55 × 2,074,506.90
  4. Step 4: Simplify right side
    2,105,999.70x = 6,553,366,363,571.90
  5. Step 5: Solve for x
    x = 6,553,366,363,571.90/2,105,999.70
  6. Step 6: Final answer
    x = 3,111,760.35

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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.