Home / 2,812,434.41-4,218,849.66-1,392,109.13

Finding the Fourth Proportional to 2,812,434.41, 4,218,849.66 and 1,392,109.13

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Solution

The fourth proportional to 2,812,434.41, 4,218,849.66 and 1,392,109.13 is: 2,088,261.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,434.41 : 4,218,849.66 = 1,392,109.13 : x
  2. Step 2: Convert to fraction form
    2,812,434.41/4,218,849.66 = 1,392,109.13/x
  3. Step 3: Cross multiply
    2,812,434.41x = 4,218,849.66 × 1,392,109.13
  4. Step 4: Simplify right side
    2,812,434.41x = 5,873,099,145,550.93
  5. Step 5: Solve for x
    x = 5,873,099,145,550.93/2,812,434.41
  6. Step 6: Final answer
    x = 2,088,261.73

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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.