Home / 2,257,513.17-3,386,787.03-978,335.40

Finding the Fourth Proportional to 2,257,513.17, 3,386,787.03 and 978,335.40

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Solution

The fourth proportional to 2,257,513.17, 3,386,787.03 and 978,335.40 is: 1,467,727.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257,513.17 : 3,386,787.03 = 978,335.40 : x
  2. Step 2: Convert to fraction form
    2,257,513.17/3,386,787.03 = 978,335.40/x
  3. Step 3: Cross multiply
    2,257,513.17x = 3,386,787.03 × 978,335.40
  4. Step 4: Simplify right side
    2,257,513.17x = 3,313,413,643,709.86
  5. Step 5: Solve for x
    x = 3,313,413,643,709.86/2,257,513.17
  6. Step 6: Final answer
    x = 1,467,727.27

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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.