Home / 3,939,631.38-5,909,506.20-1,099,758.42

Finding the Fourth Proportional to 3,939,631.38, 5,909,506.20 and 1,099,758.42

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Solution

The fourth proportional to 3,939,631.38, 5,909,506.20 and 1,099,758.42 is: 1,649,654.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,631.38 : 5,909,506.20 = 1,099,758.42 : x
  2. Step 2: Convert to fraction form
    3,939,631.38/5,909,506.20 = 1,099,758.42/x
  3. Step 3: Cross multiply
    3,939,631.38x = 5,909,506.20 × 1,099,758.42
  4. Step 4: Simplify right side
    3,939,631.38x = 6,499,029,201,492.20
  5. Step 5: Solve for x
    x = 6,499,029,201,492.20/3,939,631.38
  6. Step 6: Final answer
    x = 1,649,654.14

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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.