Home / 3,510,230.80-5,265,346.20-1,998,576.40

Finding the Fourth Proportional to 3,510,230.80, 5,265,346.20 and 1,998,576.40

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Solution

The fourth proportional to 3,510,230.80, 5,265,346.20 and 1,998,576.40 is: 2,997,864.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510,230.80 : 5,265,346.20 = 1,998,576.40 : x
  2. Step 2: Convert to fraction form
    3,510,230.80/5,265,346.20 = 1,998,576.40/x
  3. Step 3: Cross multiply
    3,510,230.80x = 5,265,346.20 × 1,998,576.40
  4. Step 4: Simplify right side
    3,510,230.80x = 10,523,196,653,149.68
  5. Step 5: Solve for x
    x = 10,523,196,653,149.68/3,510,230.80
  6. Step 6: Final answer
    x = 2,997,864.60

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Similar ratio
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1.5x scale

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.