Home / 3,990,930.90-5,986,396.35-1,595,145.30

Finding the Fourth Proportional to 3,990,930.90, 5,986,396.35 and 1,595,145.30

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Solution

The fourth proportional to 3,990,930.90, 5,986,396.35 and 1,595,145.30 is: 2,392,717.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990,930.90 : 5,986,396.35 = 1,595,145.30 : x
  2. Step 2: Convert to fraction form
    3,990,930.90/5,986,396.35 = 1,595,145.30/x
  3. Step 3: Cross multiply
    3,990,930.90x = 5,986,396.35 × 1,595,145.30
  4. Step 4: Simplify right side
    3,990,930.90x = 9,549,172,001,639.65
  5. Step 5: Solve for x
    x = 9,549,172,001,639.65/3,990,930.90
  6. Step 6: Final answer
    x = 2,392,717.95

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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.