Home / 1,973,817.74-2,722,731.48-1,188,336.82

Finding the Fourth Proportional to 1,973,817.74, 2,722,731.48 and 1,188,336.82

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Solution

The fourth proportional to 1,973,817.74, 2,722,731.48 and 1,188,336.82 is: 1,639,220.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973,817.74 : 2,722,731.48 = 1,188,336.82 : x
  2. Step 2: Convert to fraction form
    1,973,817.74/2,722,731.48 = 1,188,336.82/x
  3. Step 3: Cross multiply
    1,973,817.74x = 2,722,731.48 × 1,188,336.82
  4. Step 4: Simplify right side
    1,973,817.74x = 3,235,522,068,657.09
  5. Step 5: Solve for x
    x = 3,235,522,068,657.09/1,973,817.74
  6. Step 6: Final answer
    x = 1,639,220.28

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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.