Home / 3,939,563.55-5,436,680.88-2,220,683.61

Finding the Fourth Proportional to 3,939,563.55, 5,436,680.88 and 2,220,683.61

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Solution

The fourth proportional to 3,939,563.55, 5,436,680.88 and 2,220,683.61 is: 3,064,590.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,563.55 : 5,436,680.88 = 2,220,683.61 : x
  2. Step 2: Convert to fraction form
    3,939,563.55/5,436,680.88 = 2,220,683.61/x
  3. Step 3: Cross multiply
    3,939,563.55x = 5,436,680.88 × 2,220,683.61
  4. Step 4: Simplify right side
    3,939,563.55x = 12,073,148,121,150.16
  5. Step 5: Solve for x
    x = 12,073,148,121,150.16/3,939,563.55
  6. Step 6: Final answer
    x = 3,064,590.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.