Home / 3,861,048.66-5,328,247.84-2,142,165.07

Finding the Fourth Proportional to 3,861,048.66, 5,328,247.84 and 2,142,165.07

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Solution

The fourth proportional to 3,861,048.66, 5,328,247.84 and 2,142,165.07 is: 2,956,188.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861,048.66 : 5,328,247.84 = 2,142,165.07 : x
  2. Step 2: Convert to fraction form
    3,861,048.66/5,328,247.84 = 2,142,165.07/x
  3. Step 3: Cross multiply
    3,861,048.66x = 5,328,247.84 × 2,142,165.07
  4. Step 4: Simplify right side
    3,861,048.66x = 11,413,986,396,440.12
  5. Step 5: Solve for x
    x = 11,413,986,396,440.12/3,861,048.66
  6. Step 6: Final answer
    x = 2,956,188.18

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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.