Home / 3,693,920.40-5,097,221.82-2,144,879.28

Finding the Fourth Proportional to 3,693,920.40, 5,097,221.82 and 2,144,879.28

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Solution

The fourth proportional to 3,693,920.40, 5,097,221.82 and 2,144,879.28 is: 2,959,707.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,693,920.40 : 5,097,221.82 = 2,144,879.28 : x
  2. Step 2: Convert to fraction form
    3,693,920.40/5,097,221.82 = 2,144,879.28/x
  3. Step 3: Cross multiply
    3,693,920.40x = 5,097,221.82 × 2,144,879.28
  4. Step 4: Simplify right side
    3,693,920.40x = 10,932,925,467,281.89
  5. Step 5: Solve for x
    x = 10,932,925,467,281.89/3,693,920.40
  6. Step 6: Final answer
    x = 2,959,707.92

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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.