Home / 2,251,397.07-3,106,928.58-1,218,904.65

Finding the Fourth Proportional to 2,251,397.07, 3,106,928.58 and 1,218,904.65

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Solution

The fourth proportional to 2,251,397.07, 3,106,928.58 and 1,218,904.65 is: 1,682,088.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251,397.07 : 3,106,928.58 = 1,218,904.65 : x
  2. Step 2: Convert to fraction form
    2,251,397.07/3,106,928.58 = 1,218,904.65/x
  3. Step 3: Cross multiply
    2,251,397.07x = 3,106,928.58 × 1,218,904.65
  4. Step 4: Simplify right side
    2,251,397.07x = 3,787,049,693,379.90
  5. Step 5: Solve for x
    x = 3,787,049,693,379.90/2,251,397.07
  6. Step 6: Final answer
    x = 1,682,088.75

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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.