Home / 2,311,115.04-3,188,002.32-1,392,717.60

Finding the Fourth Proportional to 2,311,115.04, 3,188,002.32 and 1,392,717.60

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Solution

The fourth proportional to 2,311,115.04, 3,188,002.32 and 1,392,717.60 is: 1,921,144.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311,115.04 : 3,188,002.32 = 1,392,717.60 : x
  2. Step 2: Convert to fraction form
    2,311,115.04/3,188,002.32 = 1,392,717.60/x
  3. Step 3: Cross multiply
    2,311,115.04x = 3,188,002.32 × 1,392,717.60
  4. Step 4: Simplify right side
    2,311,115.04x = 4,439,986,939,904.83
  5. Step 5: Solve for x
    x = 4,439,986,939,904.83/2,311,115.04
  6. Step 6: Final answer
    x = 1,921,144.93

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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.