Home / 2,079,013.72-2,868,903.84-1,207,771.24

Finding the Fourth Proportional to 2,079,013.72, 2,868,903.84 and 1,207,771.24

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Solution

The fourth proportional to 2,079,013.72, 2,868,903.84 and 1,207,771.24 is: 1,666,645.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,013.72 : 2,868,903.84 = 1,207,771.24 : x
  2. Step 2: Convert to fraction form
    2,079,013.72/2,868,903.84 = 1,207,771.24/x
  3. Step 3: Cross multiply
    2,079,013.72x = 2,868,903.84 × 1,207,771.24
  4. Step 4: Simplify right side
    2,079,013.72x = 3,464,979,548,277.56
  5. Step 5: Solve for x
    x = 3,464,979,548,277.56/2,079,013.72
  6. Step 6: Final answer
    x = 1,666,645.83

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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.