Home / 3,743,945.12-5,166,643.30-2,112,337.80

Finding the Fourth Proportional to 3,743,945.12, 5,166,643.30 and 2,112,337.80

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Solution

The fourth proportional to 3,743,945.12, 5,166,643.30 and 2,112,337.80 is: 2,915,025.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743,945.12 : 5,166,643.30 = 2,112,337.80 : x
  2. Step 2: Convert to fraction form
    3,743,945.12/5,166,643.30 = 2,112,337.80/x
  3. Step 3: Cross multiply
    3,743,945.12x = 5,166,643.30 × 2,112,337.80
  4. Step 4: Simplify right side
    3,743,945.12x = 10,913,695,941,706.74
  5. Step 5: Solve for x
    x = 10,913,695,941,706.74/3,743,945.12
  6. Step 6: Final answer
    x = 2,915,025.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.