Home / 5,275,365.50-7,912,900.62-1,681,348.12

Finding the Fourth Proportional to 5,275,365.50, 7,912,900.62 and 1,681,348.12

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Solution

The fourth proportional to 5,275,365.50, 7,912,900.62 and 1,681,348.12 is: 2,521,975.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275,365.50 : 7,912,900.62 = 1,681,348.12 : x
  2. Step 2: Convert to fraction form
    5,275,365.50/7,912,900.62 = 1,681,348.12/x
  3. Step 3: Cross multiply
    5,275,365.50x = 7,912,900.62 × 1,681,348.12
  4. Step 4: Simplify right side
    5,275,365.50x = 13,304,340,561,401.58
  5. Step 5: Solve for x
    x = 13,304,340,561,401.58/5,275,365.50
  6. Step 6: Final answer
    x = 2,521,975.12

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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.