Home / 3,990,630.72-5,986,509.84-1,294,050

Finding the Fourth Proportional to 3,990,630.72, 5,986,509.84 and 1,294,050

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Solution

The fourth proportional to 3,990,630.72, 5,986,509.84 and 1,294,050 is: 1,941,257.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990,630.72 : 5,986,509.84 = 1,294,050 : x
  2. Step 2: Convert to fraction form
    3,990,630.72/5,986,509.84 = 1,294,050/x
  3. Step 3: Cross multiply
    3,990,630.72x = 5,986,509.84 × 1,294,050
  4. Step 4: Simplify right side
    3,990,630.72x = 7,746,843,058,452
  5. Step 5: Solve for x
    x = 7,746,843,058,452/3,990,630.72
  6. Step 6: Final answer
    x = 1,941,257.81

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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.