Home / 3,427,906.88-5,140,248.74-1,267,439.28

Finding the Fourth Proportional to 3,427,906.88, 5,140,248.74 and 1,267,439.28

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Solution

The fourth proportional to 3,427,906.88, 5,140,248.74 and 1,267,439.28 is: 1,900,563.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427,906.88 : 5,140,248.74 = 1,267,439.28 : x
  2. Step 2: Convert to fraction form
    3,427,906.88/5,140,248.74 = 1,267,439.28/x
  3. Step 3: Cross multiply
    3,427,906.88x = 5,140,248.74 × 1,267,439.28
  4. Step 4: Simplify right side
    3,427,906.88x = 6,514,953,155,709.31
  5. Step 5: Solve for x
    x = 6,514,953,155,709.31/3,427,906.88
  6. Step 6: Final answer
    x = 1,900,563.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.