Home / 5,190,392.31-7,781,154.92-3,669,290.07

Finding the Fourth Proportional to 5,190,392.31, 7,781,154.92 and 3,669,290.07

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Solution

The fourth proportional to 5,190,392.31, 7,781,154.92 and 3,669,290.07 is: 5,500,800.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190,392.31 : 7,781,154.92 = 3,669,290.07 : x
  2. Step 2: Convert to fraction form
    5,190,392.31/7,781,154.92 = 3,669,290.07/x
  3. Step 3: Cross multiply
    5,190,392.31x = 7,781,154.92 × 3,669,290.07
  4. Step 4: Simplify right side
    5,190,392.31x = 28,551,314,481,087.64
  5. Step 5: Solve for x
    x = 28,551,314,481,087.64/5,190,392.31
  6. Step 6: Final answer
    x = 5,500,800.86

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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.