Home / 2,514,511.78-3,471,256.41-1,687,289.37

Finding the Fourth Proportional to 2,514,511.78, 3,471,256.41 and 1,687,289.37

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Solution

The fourth proportional to 2,514,511.78, 3,471,256.41 and 1,687,289.37 is: 2,329,284.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,514,511.78 : 3,471,256.41 = 1,687,289.37 : x
  2. Step 2: Convert to fraction form
    2,514,511.78/3,471,256.41 = 1,687,289.37/x
  3. Step 3: Cross multiply
    2,514,511.78x = 3,471,256.41 × 1,687,289.37
  4. Step 4: Simplify right side
    2,514,511.78x = 5,857,014,041,137.36
  5. Step 5: Solve for x
    x = 5,857,014,041,137.36/2,514,511.78
  6. Step 6: Final answer
    x = 2,329,284.79

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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.