Home / 3,957,889.17-5,461,897.55-2,147,053.17

Finding the Fourth Proportional to 3,957,889.17, 5,461,897.55 and 2,147,053.17

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Solution

The fourth proportional to 3,957,889.17, 5,461,897.55 and 2,147,053.17 is: 2,962,939.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957,889.17 : 5,461,897.55 = 2,147,053.17 : x
  2. Step 2: Convert to fraction form
    3,957,889.17/5,461,897.55 = 2,147,053.17/x
  3. Step 3: Cross multiply
    3,957,889.17x = 5,461,897.55 × 2,147,053.17
  4. Step 4: Simplify right side
    3,957,889.17x = 11,726,984,448,942.73
  5. Step 5: Solve for x
    x = 11,726,984,448,942.73/3,957,889.17
  6. Step 6: Final answer
    x = 2,962,939.07

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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.