Home / 3,886,775.84-5,831,016.78-1,191,303.74

Finding the Fourth Proportional to 3,886,775.84, 5,831,016.78 and 1,191,303.74

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Solution

The fourth proportional to 3,886,775.84, 5,831,016.78 and 1,191,303.74 is: 1,787,217.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,775.84 : 5,831,016.78 = 1,191,303.74 : x
  2. Step 2: Convert to fraction form
    3,886,775.84/5,831,016.78 = 1,191,303.74/x
  3. Step 3: Cross multiply
    3,886,775.84x = 5,831,016.78 × 1,191,303.74
  4. Step 4: Simplify right side
    3,886,775.84x = 6,946,512,098,016.76
  5. Step 5: Solve for x
    x = 6,946,512,098,016.76/3,886,775.84
  6. Step 6: Final answer
    x = 1,787,217.06

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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.