Home / 1,988,964.15-2,745,103.37-1,173,370.19

Finding the Fourth Proportional to 1,988,964.15, 2,745,103.37 and 1,173,370.19

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Solution

The fourth proportional to 1,988,964.15, 2,745,103.37 and 1,173,370.19 is: 1,619,447.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,964.15 : 2,745,103.37 = 1,173,370.19 : x
  2. Step 2: Convert to fraction form
    1,988,964.15/2,745,103.37 = 1,173,370.19/x
  3. Step 3: Cross multiply
    1,988,964.15x = 2,745,103.37 × 1,173,370.19
  4. Step 4: Simplify right side
    1,988,964.15x = 3,221,022,443,234.17
  5. Step 5: Solve for x
    x = 3,221,022,443,234.17/1,988,964.15
  6. Step 6: Final answer
    x = 1,619,447.21

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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.