Home / 5,390,198.20-8,085,297.30-3,587,235.40

Finding the Fourth Proportional to 5,390,198.20, 8,085,297.30 and 3,587,235.40

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Solution

The fourth proportional to 5,390,198.20, 8,085,297.30 and 3,587,235.40 is: 5,380,853.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,198.20 : 8,085,297.30 = 3,587,235.40 : x
  2. Step 2: Convert to fraction form
    5,390,198.20/8,085,297.30 = 3,587,235.40/x
  3. Step 3: Cross multiply
    5,390,198.20x = 8,085,297.30 × 3,587,235.40
  4. Step 4: Simplify right side
    5,390,198.20x = 29,003,864,694,084.42
  5. Step 5: Solve for x
    x = 29,003,864,694,084.42/5,390,198.20
  6. Step 6: Final answer
    x = 5,380,853.10

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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.