Home / 2,777,086.38-3,830,836.95-1,615,401.78

Finding the Fourth Proportional to 2,777,086.38, 3,830,836.95 and 1,615,401.78

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Solution

The fourth proportional to 2,777,086.38, 3,830,836.95 and 1,615,401.78 is: 2,228,357.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777,086.38 : 3,830,836.95 = 1,615,401.78 : x
  2. Step 2: Convert to fraction form
    2,777,086.38/3,830,836.95 = 1,615,401.78/x
  3. Step 3: Cross multiply
    2,777,086.38x = 3,830,836.95 × 1,615,401.78
  4. Step 4: Simplify right side
    2,777,086.38x = 6,188,340,827,919.77
  5. Step 5: Solve for x
    x = 6,188,340,827,919.77/2,777,086.38
  6. Step 6: Final answer
    x = 2,228,357.34

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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.