Home / 4,876,628.88-7,309,663.48-3,171,990.36

Finding the Fourth Proportional to 4,876,628.88, 7,309,663.48 and 3,171,990.36

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Solution

The fourth proportional to 4,876,628.88, 7,309,663.48 and 3,171,990.36 is: 4,754,551.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,876,628.88 : 7,309,663.48 = 3,171,990.36 : x
  2. Step 2: Convert to fraction form
    4,876,628.88/7,309,663.48 = 3,171,990.36/x
  3. Step 3: Cross multiply
    4,876,628.88x = 7,309,663.48 × 3,171,990.36
  4. Step 4: Simplify right side
    4,876,628.88x = 23,186,182,040,995.78
  5. Step 5: Solve for x
    x = 23,186,182,040,995.78/4,876,628.88
  6. Step 6: Final answer
    x = 4,754,551.28

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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.