Home / 2,198,746.20-3,298,119.30-778,945.80

Finding the Fourth Proportional to 2,198,746.20, 3,298,119.30 and 778,945.80

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Solution

The fourth proportional to 2,198,746.20, 3,298,119.30 and 778,945.80 is: 1,168,418.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,746.20 : 3,298,119.30 = 778,945.80 : x
  2. Step 2: Convert to fraction form
    2,198,746.20/3,298,119.30 = 778,945.80/x
  3. Step 3: Cross multiply
    2,198,746.20x = 3,298,119.30 × 778,945.80
  4. Step 4: Simplify right side
    2,198,746.20x = 2,569,056,176,633.94
  5. Step 5: Solve for x
    x = 2,569,056,176,633.94/2,198,746.20
  6. Step 6: Final answer
    x = 1,168,418.70

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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.