Home / 5,080,384.80-7,010,906.40-2,788,584.48

Finding the Fourth Proportional to 5,080,384.80, 7,010,906.40 and 2,788,584.48

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Solution

The fourth proportional to 5,080,384.80, 7,010,906.40 and 2,788,584.48 is: 3,848,233.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080,384.80 : 7,010,906.40 = 2,788,584.48 : x
  2. Step 2: Convert to fraction form
    5,080,384.80/7,010,906.40 = 2,788,584.48/x
  3. Step 3: Cross multiply
    5,080,384.80x = 7,010,906.40 × 2,788,584.48
  4. Step 4: Simplify right side
    5,080,384.80x = 19,550,504,777,772.67
  5. Step 5: Solve for x
    x = 19,550,504,777,772.67/5,080,384.80
  6. Step 6: Final answer
    x = 3,848,233.07

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1.5x scale

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.