Home / 5,438,191.37-7,504,554.33-2,990,803.31

Finding the Fourth Proportional to 5,438,191.37, 7,504,554.33 and 2,990,803.31

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Solution

The fourth proportional to 5,438,191.37, 7,504,554.33 and 2,990,803.31 is: 4,127,226.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438,191.37 : 7,504,554.33 = 2,990,803.31 : x
  2. Step 2: Convert to fraction form
    5,438,191.37/7,504,554.33 = 2,990,803.31/x
  3. Step 3: Cross multiply
    5,438,191.37x = 7,504,554.33 × 2,990,803.31
  4. Step 4: Simplify right side
    5,438,191.37x = 22,444,645,930,238.83
  5. Step 5: Solve for x
    x = 22,444,645,930,238.83/5,438,191.37
  6. Step 6: Final answer
    x = 4,127,226.21

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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.