Home / 2,145,217.14-2,959,666.38-1,227,111.80

Finding the Fourth Proportional to 2,145,217.14, 2,959,666.38 and 1,227,111.80

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Solution

The fourth proportional to 2,145,217.14, 2,959,666.38 and 1,227,111.80 is: 1,692,994.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,217.14 : 2,959,666.38 = 1,227,111.80 : x
  2. Step 2: Convert to fraction form
    2,145,217.14/2,959,666.38 = 1,227,111.80/x
  3. Step 3: Cross multiply
    2,145,217.14x = 2,959,666.38 × 1,227,111.80
  4. Step 4: Simplify right side
    2,145,217.14x = 3,631,841,524,162.95
  5. Step 5: Solve for x
    x = 3,631,841,524,162.95/2,145,217.14
  6. Step 6: Final answer
    x = 1,692,994.83

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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.