Home / 2,808,800.40-4,212,617.40-1,211,415.60

Finding the Fourth Proportional to 2,808,800.40, 4,212,617.40 and 1,211,415.60

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Solution

The fourth proportional to 2,808,800.40, 4,212,617.40 and 1,211,415.60 is: 1,816,871.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,800.40 : 4,212,617.40 = 1,211,415.60 : x
  2. Step 2: Convert to fraction form
    2,808,800.40/4,212,617.40 = 1,211,415.60/x
  3. Step 3: Cross multiply
    2,808,800.40x = 4,212,617.40 × 1,211,415.60
  4. Step 4: Simplify right side
    2,808,800.40x = 5,103,230,435,191.44
  5. Step 5: Solve for x
    x = 5,103,230,435,191.44/2,808,800.40
  6. Step 6: Final answer
    x = 1,816,871.87

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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.