Home / 3,942,318.36-5,441,562.83-2,311,078.80

Finding the Fourth Proportional to 3,942,318.36, 5,441,562.83 and 2,311,078.80

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Solution

The fourth proportional to 3,942,318.36, 5,441,562.83 and 2,311,078.80 is: 3,189,970.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942,318.36 : 5,441,562.83 = 2,311,078.80 : x
  2. Step 2: Convert to fraction form
    3,942,318.36/5,441,562.83 = 2,311,078.80/x
  3. Step 3: Cross multiply
    3,942,318.36x = 5,441,562.83 × 2,311,078.80
  4. Step 4: Simplify right side
    3,942,318.36x = 12,575,880,495,281.00
  5. Step 5: Solve for x
    x = 12,575,880,495,281.00/3,942,318.36
  6. Step 6: Final answer
    x = 3,189,970.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.