Home / 2,188,398.54-3,020,493.87-1,283,272.14

Finding the Fourth Proportional to 2,188,398.54, 3,020,493.87 and 1,283,272.14

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Solution

The fourth proportional to 2,188,398.54, 3,020,493.87 and 1,283,272.14 is: 1,771,211.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,398.54 : 3,020,493.87 = 1,283,272.14 : x
  2. Step 2: Convert to fraction form
    2,188,398.54/3,020,493.87 = 1,283,272.14/x
  3. Step 3: Cross multiply
    2,188,398.54x = 3,020,493.87 × 1,283,272.14
  4. Step 4: Simplify right side
    2,188,398.54x = 3,876,115,632,411.78
  5. Step 5: Solve for x
    x = 3,876,115,632,411.78/2,188,398.54
  6. Step 6: Final answer
    x = 1,771,211.03

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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.