Home / 2,198,624.60-3,298,520.10-778,532.60

Finding the Fourth Proportional to 2,198,624.60, 3,298,520.10 and 778,532.60

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Solution

The fourth proportional to 2,198,624.60, 3,298,520.10 and 778,532.60 is: 1,168,005.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,624.60 : 3,298,520.10 = 778,532.60 : x
  2. Step 2: Convert to fraction form
    2,198,624.60/3,298,520.10 = 778,532.60/x
  3. Step 3: Cross multiply
    2,198,624.60x = 3,298,520.10 × 778,532.60
  4. Step 4: Simplify right side
    2,198,624.60x = 2,568,005,429,605.26
  5. Step 5: Solve for x
    x = 2,568,005,429,605.26/2,198,624.60
  6. Step 6: Final answer
    x = 1,168,005.41

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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.