Home / 2,156,747.33-2,976,290.79-1,189,885.43

Finding the Fourth Proportional to 2,156,747.33, 2,976,290.79 and 1,189,885.43

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Solution

The fourth proportional to 2,156,747.33, 2,976,290.79 and 1,189,885.43 is: 1,642,030.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,747.33 : 2,976,290.79 = 1,189,885.43 : x
  2. Step 2: Convert to fraction form
    2,156,747.33/2,976,290.79 = 1,189,885.43/x
  3. Step 3: Cross multiply
    2,156,747.33x = 2,976,290.79 × 1,189,885.43
  4. Step 4: Simplify right side
    2,156,747.33x = 3,541,445,046,464.19
  5. Step 5: Solve for x
    x = 3,541,445,046,464.19/2,156,747.33
  6. Step 6: Final answer
    x = 1,642,030.57

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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.