Home / 2,812,268.66-4,218,601.21-1,391,943.38

Finding the Fourth Proportional to 2,812,268.66, 4,218,601.21 and 1,391,943.38

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Solution

The fourth proportional to 2,812,268.66, 4,218,601.21 and 1,391,943.38 is: 2,088,013.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,268.66 : 4,218,601.21 = 1,391,943.38 : x
  2. Step 2: Convert to fraction form
    2,812,268.66/4,218,601.21 = 1,391,943.38/x
  3. Step 3: Cross multiply
    2,812,268.66x = 4,218,601.21 × 1,391,943.38
  4. Step 4: Simplify right side
    2,812,268.66x = 5,872,054,002,546.63
  5. Step 5: Solve for x
    x = 5,872,054,002,546.63/2,812,268.66
  6. Step 6: Final answer
    x = 2,088,013.17

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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.