Home / 2,079,774.70-3,120,099.45-1,180,480.30

Finding the Fourth Proportional to 2,079,774.70, 3,120,099.45 and 1,180,480.30

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Solution

The fourth proportional to 2,079,774.70, 3,120,099.45 and 1,180,480.30 is: 1,770,968.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,774.70 : 3,120,099.45 = 1,180,480.30 : x
  2. Step 2: Convert to fraction form
    2,079,774.70/3,120,099.45 = 1,180,480.30/x
  3. Step 3: Cross multiply
    2,079,774.70x = 3,120,099.45 × 1,180,480.30
  4. Step 4: Simplify right side
    2,079,774.70x = 3,683,215,934,765.84
  5. Step 5: Solve for x
    x = 3,683,215,934,765.84/2,079,774.70
  6. Step 6: Final answer
    x = 1,770,968.72

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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.