Home / 3,913,639.92-5,401,078.52-2,259,856.80

Finding the Fourth Proportional to 3,913,639.92, 5,401,078.52 and 2,259,856.80

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Solution

The fourth proportional to 3,913,639.92, 5,401,078.52 and 2,259,856.80 is: 3,118,749.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913,639.92 : 5,401,078.52 = 2,259,856.80 : x
  2. Step 2: Convert to fraction form
    3,913,639.92/5,401,078.52 = 2,259,856.80/x
  3. Step 3: Cross multiply
    3,913,639.92x = 5,401,078.52 × 2,259,856.80
  4. Step 4: Simplify right side
    3,913,639.92x = 12,205,664,009,456.65
  5. Step 5: Solve for x
    x = 12,205,664,009,456.65/3,913,639.92
  6. Step 6: Final answer
    x = 3,118,749.87

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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.