Home / 2,198,680.60-3,297,675.30-778,533.40

Finding the Fourth Proportional to 2,198,680.60, 3,297,675.30 and 778,533.40

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Solution

The fourth proportional to 2,198,680.60, 3,297,675.30 and 778,533.40 is: 1,167,677.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,680.60 : 3,297,675.30 = 778,533.40 : x
  2. Step 2: Convert to fraction form
    2,198,680.60/3,297,675.30 = 778,533.40/x
  3. Step 3: Cross multiply
    2,198,680.60x = 3,297,675.30 × 778,533.40
  4. Step 4: Simplify right side
    2,198,680.60x = 2,567,350,363,405.02
  5. Step 5: Solve for x
    x = 2,567,350,363,405.02/2,198,680.60
  6. Step 6: Final answer
    x = 1,167,677.73

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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.