Home / 2,689,167.78-3,710,919.40-1,465,469.51

Finding the Fourth Proportional to 2,689,167.78, 3,710,919.40 and 1,465,469.51

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Solution

The fourth proportional to 2,689,167.78, 3,710,919.40 and 1,465,469.51 is: 2,022,275.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,167.78 : 3,710,919.40 = 1,465,469.51 : x
  2. Step 2: Convert to fraction form
    2,689,167.78/3,710,919.40 = 1,465,469.51/x
  3. Step 3: Cross multiply
    2,689,167.78x = 3,710,919.40 × 1,465,469.51
  4. Step 4: Simplify right side
    2,689,167.78x = 5,438,239,234,767.49
  5. Step 5: Solve for x
    x = 5,438,239,234,767.49/2,689,167.78
  6. Step 6: Final answer
    x = 2,022,275.92

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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.