Home / 2,640,018.92-3,643,227.59-1,432,794.92

Finding the Fourth Proportional to 2,640,018.92, 3,643,227.59 and 1,432,794.92

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Solution

The fourth proportional to 2,640,018.92, 3,643,227.59 and 1,432,794.92 is: 1,977,257.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,018.92 : 3,643,227.59 = 1,432,794.92 : x
  2. Step 2: Convert to fraction form
    2,640,018.92/3,643,227.59 = 1,432,794.92/x
  3. Step 3: Cross multiply
    2,640,018.92x = 3,643,227.59 × 1,432,794.92
  4. Step 4: Simplify right side
    2,640,018.92x = 5,219,997,957,975.73
  5. Step 5: Solve for x
    x = 5,219,997,957,975.73/2,640,018.92
  6. Step 6: Final answer
    x = 1,977,257.79

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Double scale
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1.5x scale

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.