Home / 3,939,089.15-5,435,984.56-2,220,209.67

Finding the Fourth Proportional to 3,939,089.15, 5,435,984.56 and 2,220,209.67

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Solution

The fourth proportional to 3,939,089.15, 5,435,984.56 and 2,220,209.67 is: 3,063,912.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,089.15 : 5,435,984.56 = 2,220,209.67 : x
  2. Step 2: Convert to fraction form
    3,939,089.15/5,435,984.56 = 2,220,209.67/x
  3. Step 3: Cross multiply
    3,939,089.15x = 5,435,984.56 × 2,220,209.67
  4. Step 4: Simplify right side
    3,939,089.15x = 12,069,025,460,147.23
  5. Step 5: Solve for x
    x = 12,069,025,460,147.23/3,939,089.15
  6. Step 6: Final answer
    x = 3,063,912.75

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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.