Home / 2,739,144.12-3,781,229.64-1,636,964.48

Finding the Fourth Proportional to 2,739,144.12, 3,781,229.64 and 1,636,964.48

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Solution

The fourth proportional to 2,739,144.12, 3,781,229.64 and 1,636,964.48 is: 2,259,734.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739,144.12 : 3,781,229.64 = 1,636,964.48 : x
  2. Step 2: Convert to fraction form
    2,739,144.12/3,781,229.64 = 1,636,964.48/x
  3. Step 3: Cross multiply
    2,739,144.12x = 3,781,229.64 × 1,636,964.48
  4. Step 4: Simplify right side
    2,739,144.12x = 6,189,738,611,403.19
  5. Step 5: Solve for x
    x = 6,189,738,611,403.19/2,739,144.12
  6. Step 6: Final answer
    x = 2,259,734.55

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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.