Home / 3,503,712.80-5,251,940.40-1,902,893.60

Finding the Fourth Proportional to 3,503,712.80, 5,251,940.40 and 1,902,893.60

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Solution

The fourth proportional to 3,503,712.80, 5,251,940.40 and 1,902,893.60 is: 2,852,369.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503,712.80 : 5,251,940.40 = 1,902,893.60 : x
  2. Step 2: Convert to fraction form
    3,503,712.80/5,251,940.40 = 1,902,893.60/x
  3. Step 3: Cross multiply
    3,503,712.80x = 5,251,940.40 × 1,902,893.60
  4. Step 4: Simplify right side
    3,503,712.80x = 9,993,883,774,741.44
  5. Step 5: Solve for x
    x = 9,993,883,774,741.44/3,503,712.80
  6. Step 6: Final answer
    x = 2,852,369.57

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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.