Home / 3,689,391-5,091,359.58-2,079,759

Finding the Fourth Proportional to 3,689,391, 5,091,359.58 and 2,079,759

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Solution

The fourth proportional to 3,689,391, 5,091,359.58 and 2,079,759 is: 2,870,067.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689,391 : 5,091,359.58 = 2,079,759 : x
  2. Step 2: Convert to fraction form
    3,689,391/5,091,359.58 = 2,079,759/x
  3. Step 3: Cross multiply
    3,689,391x = 5,091,359.58 × 2,079,759
  4. Step 4: Simplify right side
    3,689,391x = 10,588,800,908,741.22
  5. Step 5: Solve for x
    x = 10,588,800,908,741.22/3,689,391
  6. Step 6: Final answer
    x = 2,870,067.42

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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.