Home / 5,192,138.40-7,788,207.60-2,199,933.60

Finding the Fourth Proportional to 5,192,138.40, 7,788,207.60 and 2,199,933.60

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Solution

The fourth proportional to 5,192,138.40, 7,788,207.60 and 2,199,933.60 is: 3,299,900.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192,138.40 : 7,788,207.60 = 2,199,933.60 : x
  2. Step 2: Convert to fraction form
    5,192,138.40/7,788,207.60 = 2,199,933.60/x
  3. Step 3: Cross multiply
    5,192,138.40x = 7,788,207.60 × 2,199,933.60
  4. Step 4: Simplify right side
    5,192,138.40x = 17,133,539,583,015.36
  5. Step 5: Solve for x
    x = 17,133,539,583,015.36/5,192,138.40
  6. Step 6: Final answer
    x = 3,299,900.40

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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.