Home / 3,886,789.84-5,831,037.80-1,191,317.76

Finding the Fourth Proportional to 3,886,789.84, 5,831,037.80 and 1,191,317.76

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Solution

The fourth proportional to 3,886,789.84, 5,831,037.80 and 1,191,317.76 is: 1,787,238.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,789.84 : 5,831,037.80 = 1,191,317.76 : x
  2. Step 2: Convert to fraction form
    3,886,789.84/5,831,037.80 = 1,191,317.76/x
  3. Step 3: Cross multiply
    3,886,789.84x = 5,831,037.80 × 1,191,317.76
  4. Step 4: Simplify right side
    3,886,789.84x = 6,946,618,890,371.33
  5. Step 5: Solve for x
    x = 6,946,618,890,371.33/3,886,789.84
  6. Step 6: Final answer
    x = 1,787,238.10

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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.