Home / 2,820,717.26-3,892,657.50-1,531,611.98

Finding the Fourth Proportional to 2,820,717.26, 3,892,657.50 and 1,531,611.98

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Solution

The fourth proportional to 2,820,717.26, 3,892,657.50 and 1,531,611.98 is: 2,113,661.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820,717.26 : 3,892,657.50 = 1,531,611.98 : x
  2. Step 2: Convert to fraction form
    2,820,717.26/3,892,657.50 = 1,531,611.98/x
  3. Step 3: Cross multiply
    2,820,717.26x = 3,892,657.50 × 1,531,611.98
  4. Step 4: Simplify right side
    2,820,717.26x = 5,962,040,861,036.85
  5. Step 5: Solve for x
    x = 5,962,040,861,036.85/2,820,717.26
  6. Step 6: Final answer
    x = 2,113,661.28

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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.