Home / 2,912,422.62-4,019,280.76-1,623,272.39

Finding the Fourth Proportional to 2,912,422.62, 4,019,280.76 and 1,623,272.39

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Solution

The fourth proportional to 2,912,422.62, 4,019,280.76 and 1,623,272.39 is: 2,240,192.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,422.62 : 4,019,280.76 = 1,623,272.39 : x
  2. Step 2: Convert to fraction form
    2,912,422.62/4,019,280.76 = 1,623,272.39/x
  3. Step 3: Cross multiply
    2,912,422.62x = 4,019,280.76 × 1,623,272.39
  4. Step 4: Simplify right side
    2,912,422.62x = 6,524,387,485,366.22
  5. Step 5: Solve for x
    x = 6,524,387,485,366.22/2,912,422.62
  6. Step 6: Final answer
    x = 2,240,192.56

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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.