Home / 3,681,882.95-5,520,975.39-2,145,374.51

Finding the Fourth Proportional to 3,681,882.95, 5,520,975.39 and 2,145,374.51

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Solution

The fourth proportional to 3,681,882.95, 5,520,975.39 and 2,145,374.51 is: 3,216,984.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681,882.95 : 5,520,975.39 = 2,145,374.51 : x
  2. Step 2: Convert to fraction form
    3,681,882.95/5,520,975.39 = 2,145,374.51/x
  3. Step 3: Cross multiply
    3,681,882.95x = 5,520,975.39 × 2,145,374.51
  4. Step 4: Simplify right side
    3,681,882.95x = 11,844,559,844,438.43
  5. Step 5: Solve for x
    x = 11,844,559,844,438.43/3,681,882.95
  6. Step 6: Final answer
    x = 3,216,984.36

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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.