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Finding the Fourth Proportional to 1,973,611.98, 2,724,241.32 and 1,157,517.90

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Solution

The fourth proportional to 1,973,611.98, 2,724,241.32 and 1,157,517.90 is: 1,597,759.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973,611.98 : 2,724,241.32 = 1,157,517.90 : x
  2. Step 2: Convert to fraction form
    1,973,611.98/2,724,241.32 = 1,157,517.90/x
  3. Step 3: Cross multiply
    1,973,611.98x = 2,724,241.32 × 1,157,517.90
  4. Step 4: Simplify right side
    1,973,611.98x = 3,153,358,091,819.63
  5. Step 5: Solve for x
    x = 3,153,358,091,819.63/1,973,611.98
  6. Step 6: Final answer
    x = 1,597,759.91

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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.