Home / 2,912,421.25-4,019,278.89-1,623,270.88

Finding the Fourth Proportional to 2,912,421.25, 4,019,278.89 and 1,623,270.88

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Solution

The fourth proportional to 2,912,421.25, 4,019,278.89 and 1,623,270.88 is: 2,240,190.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,421.25 : 4,019,278.89 = 1,623,270.88 : x
  2. Step 2: Convert to fraction form
    2,912,421.25/4,019,278.89 = 1,623,270.88/x
  3. Step 3: Cross multiply
    2,912,421.25x = 4,019,278.89 × 1,623,270.88
  4. Step 4: Simplify right side
    2,912,421.25x = 6,524,378,380,735.72
  5. Step 5: Solve for x
    x = 6,524,378,380,735.72/2,912,421.25
  6. Step 6: Final answer
    x = 2,240,190.49

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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.