Home / 5,420,700.96-8,131,215.48-1,377,189.60

Finding the Fourth Proportional to 5,420,700.96, 8,131,215.48 and 1,377,189.60

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Solution

The fourth proportional to 5,420,700.96, 8,131,215.48 and 1,377,189.60 is: 2,065,826.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420,700.96 : 8,131,215.48 = 1,377,189.60 : x
  2. Step 2: Convert to fraction form
    5,420,700.96/8,131,215.48 = 1,377,189.60/x
  3. Step 3: Cross multiply
    5,420,700.96x = 8,131,215.48 × 1,377,189.60
  4. Step 4: Simplify right side
    5,420,700.96x = 11,198,225,394,415.01
  5. Step 5: Solve for x
    x = 11,198,225,394,415.01/5,420,700.96
  6. Step 6: Final answer
    x = 2,065,826.08

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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.