Home / 2,682,971.73-4,024,582.20-861,411

Finding the Fourth Proportional to 2,682,971.73, 4,024,582.20 and 861,411

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Solution

The fourth proportional to 2,682,971.73, 4,024,582.20 and 861,411 is: 1,292,156.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682,971.73 : 4,024,582.20 = 861,411 : x
  2. Step 2: Convert to fraction form
    2,682,971.73/4,024,582.20 = 861,411/x
  3. Step 3: Cross multiply
    2,682,971.73x = 4,024,582.20 × 861,411
  4. Step 4: Simplify right side
    2,682,971.73x = 3,466,819,377,484.20
  5. Step 5: Solve for x
    x = 3,466,819,377,484.20/2,682,971.73
  6. Step 6: Final answer
    x = 1,292,156.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.