Home / 2,135,986.95-2,947,657.07-1,169,108.78

Finding the Fourth Proportional to 2,135,986.95, 2,947,657.07 and 1,169,108.78

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Solution

The fourth proportional to 2,135,986.95, 2,947,657.07 and 1,169,108.78 is: 1,613,367.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135,986.95 : 2,947,657.07 = 1,169,108.78 : x
  2. Step 2: Convert to fraction form
    2,135,986.95/2,947,657.07 = 1,169,108.78/x
  3. Step 3: Cross multiply
    2,135,986.95x = 2,947,657.07 × 1,169,108.78
  4. Step 4: Simplify right side
    2,135,986.95x = 3,446,131,760,966.08
  5. Step 5: Solve for x
    x = 3,446,131,760,966.08/2,135,986.95
  6. Step 6: Final answer
    x = 1,613,367.42

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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.