Home / 2,188,392.92-3,020,486.11-1,283,266.52

Finding the Fourth Proportional to 2,188,392.92, 3,020,486.11 and 1,283,266.52

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Solution

The fourth proportional to 2,188,392.92, 3,020,486.11 and 1,283,266.52 is: 1,771,203.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,392.92 : 3,020,486.11 = 1,283,266.52 : x
  2. Step 2: Convert to fraction form
    2,188,392.92/3,020,486.11 = 1,283,266.52/x
  3. Step 3: Cross multiply
    2,188,392.92x = 3,020,486.11 × 1,283,266.52
  4. Step 4: Simplify right side
    2,188,392.92x = 3,876,088,680,777.44
  5. Step 5: Solve for x
    x = 3,876,088,680,777.44/2,188,392.92
  6. Step 6: Final answer
    x = 1,771,203.27

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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.