Home / 1,854,519.24-2,781,778.86-1,012,611.72

Finding the Fourth Proportional to 1,854,519.24, 2,781,778.86 and 1,012,611.72

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Solution

The fourth proportional to 1,854,519.24, 2,781,778.86 and 1,012,611.72 is: 1,518,917.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854,519.24 : 2,781,778.86 = 1,012,611.72 : x
  2. Step 2: Convert to fraction form
    1,854,519.24/2,781,778.86 = 1,012,611.72/x
  3. Step 3: Cross multiply
    1,854,519.24x = 2,781,778.86 × 1,012,611.72
  4. Step 4: Simplify right side
    1,854,519.24x = 2,816,861,876,084.24
  5. Step 5: Solve for x
    x = 2,816,861,876,084.24/1,854,519.24
  6. Step 6: Final answer
    x = 1,518,917.58

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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.