Home / 2,114,489.85-2,917,998.87-1,147,620.15

Finding the Fourth Proportional to 2,114,489.85, 2,917,998.87 and 1,147,620.15

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Solution

The fourth proportional to 2,114,489.85, 2,917,998.87 and 1,147,620.15 is: 1,583,717.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114,489.85 : 2,917,998.87 = 1,147,620.15 : x
  2. Step 2: Convert to fraction form
    2,114,489.85/2,917,998.87 = 1,147,620.15/x
  3. Step 3: Cross multiply
    2,114,489.85x = 2,917,998.87 × 1,147,620.15
  4. Step 4: Simplify right side
    2,114,489.85x = 3,348,754,300,889.23
  5. Step 5: Solve for x
    x = 3,348,754,300,889.23/2,114,489.85
  6. Step 6: Final answer
    x = 1,583,717.37

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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.