Home / 2,514,510.78-3,471,255.03-1,687,288.36

Finding the Fourth Proportional to 2,514,510.78, 3,471,255.03 and 1,687,288.36

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Solution

The fourth proportional to 2,514,510.78, 3,471,255.03 and 1,687,288.36 is: 2,329,283.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,514,510.78 : 3,471,255.03 = 1,687,288.36 : x
  2. Step 2: Convert to fraction form
    2,514,510.78/3,471,255.03 = 1,687,288.36/x
  3. Step 3: Cross multiply
    2,514,510.78x = 3,471,255.03 × 1,687,288.36
  4. Step 4: Simplify right side
    2,514,510.78x = 5,857,008,206,710.45
  5. Step 5: Solve for x
    x = 5,857,008,206,710.45/2,514,510.78
  6. Step 6: Final answer
    x = 2,329,283.40

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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.