Home / 2,173,110.12-2,999,081.82-1,267,983.72

Finding the Fourth Proportional to 2,173,110.12, 2,999,081.82 and 1,267,983.72

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Solution

The fourth proportional to 2,173,110.12, 2,999,081.82 and 1,267,983.72 is: 1,749,928.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173,110.12 : 2,999,081.82 = 1,267,983.72 : x
  2. Step 2: Convert to fraction form
    2,173,110.12/2,999,081.82 = 1,267,983.72/x
  3. Step 3: Cross multiply
    2,173,110.12x = 2,999,081.82 × 1,267,983.72
  4. Step 4: Simplify right side
    2,173,110.12x = 3,802,786,922,707.97
  5. Step 5: Solve for x
    x = 3,802,786,922,707.97/2,173,110.12
  6. Step 6: Final answer
    x = 1,749,928.31

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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.