Home / 3,886,778.84-5,831,021.28-1,191,306.74

Finding the Fourth Proportional to 3,886,778.84, 5,831,021.28 and 1,191,306.74

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Solution

The fourth proportional to 3,886,778.84, 5,831,021.28 and 1,191,306.74 is: 1,787,221.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,778.84 : 5,831,021.28 = 1,191,306.74 : x
  2. Step 2: Convert to fraction form
    3,886,778.84/5,831,021.28 = 1,191,306.74/x
  3. Step 3: Cross multiply
    3,886,778.84x = 5,831,021.28 × 1,191,306.74
  4. Step 4: Simplify right side
    3,886,778.84x = 6,946,534,951,947.43
  5. Step 5: Solve for x
    x = 6,946,534,951,947.43/3,886,778.84
  6. Step 6: Final answer
    x = 1,787,221.56

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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.