Home / 2,172,448.80-3,258,673.20-910,144.80

Finding the Fourth Proportional to 2,172,448.80, 3,258,673.20 and 910,144.80

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Solution

The fourth proportional to 2,172,448.80, 3,258,673.20 and 910,144.80 is: 1,365,217.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,448.80 : 3,258,673.20 = 910,144.80 : x
  2. Step 2: Convert to fraction form
    2,172,448.80/3,258,673.20 = 910,144.80/x
  3. Step 3: Cross multiply
    2,172,448.80x = 3,258,673.20 × 910,144.80
  4. Step 4: Simplify right side
    2,172,448.80x = 2,965,864,467,879.36
  5. Step 5: Solve for x
    x = 2,965,864,467,879.36/2,172,448.80
  6. Step 6: Final answer
    x = 1,365,217.20

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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.