Home / 5,419,528.86-8,129,296.80-1,376,319.90

Finding the Fourth Proportional to 5,419,528.86, 8,129,296.80 and 1,376,319.90

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Solution

The fourth proportional to 5,419,528.86, 8,129,296.80 and 1,376,319.90 is: 2,064,480.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419,528.86 : 8,129,296.80 = 1,376,319.90 : x
  2. Step 2: Convert to fraction form
    5,419,528.86/8,129,296.80 = 1,376,319.90/x
  3. Step 3: Cross multiply
    5,419,528.86x = 8,129,296.80 × 1,376,319.90
  4. Step 4: Simplify right side
    5,419,528.86x = 11,188,512,958,846.32
  5. Step 5: Solve for x
    x = 11,188,512,958,846.32/5,419,528.86
  6. Step 6: Final answer
    x = 2,064,480.74

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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.