Home / 2,127,403.80-3,191,696.14-1,181,438.84

Finding the Fourth Proportional to 2,127,403.80, 3,191,696.14 and 1,181,438.84

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Solution

The fourth proportional to 2,127,403.80, 3,191,696.14 and 1,181,438.84 is: 1,772,486.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,403.80 : 3,191,696.14 = 1,181,438.84 : x
  2. Step 2: Convert to fraction form
    2,127,403.80/3,191,696.14 = 1,181,438.84/x
  3. Step 3: Cross multiply
    2,127,403.80x = 3,191,696.14 × 1,181,438.84
  4. Step 4: Simplify right side
    2,127,403.80x = 3,770,793,785,274.08
  5. Step 5: Solve for x
    x = 3,770,793,785,274.08/2,127,403.80
  6. Step 6: Final answer
    x = 1,772,486.16

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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.