Home / 5,419,546.86-8,129,323.80-1,376,337.90

Finding the Fourth Proportional to 5,419,546.86, 8,129,323.80 and 1,376,337.90

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Solution

The fourth proportional to 5,419,546.86, 8,129,323.80 and 1,376,337.90 is: 2,064,507.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419,546.86 : 8,129,323.80 = 1,376,337.90 : x
  2. Step 2: Convert to fraction form
    5,419,546.86/8,129,323.80 = 1,376,337.90/x
  3. Step 3: Cross multiply
    5,419,546.86x = 8,129,323.80 × 1,376,337.90
  4. Step 4: Simplify right side
    5,419,546.86x = 11,188,696,447,312.02
  5. Step 5: Solve for x
    x = 11,188,696,447,312.02/5,419,546.86
  6. Step 6: Final answer
    x = 2,064,507.74

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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.