Home / 3,914,811.20-5,872,216.80-3,317,614.40

Finding the Fourth Proportional to 3,914,811.20, 5,872,216.80 and 3,317,614.40

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Solution

The fourth proportional to 3,914,811.20, 5,872,216.80 and 3,317,614.40 is: 4,976,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914,811.20 : 5,872,216.80 = 3,317,614.40 : x
  2. Step 2: Convert to fraction form
    3,914,811.20/5,872,216.80 = 3,317,614.40/x
  3. Step 3: Cross multiply
    3,914,811.20x = 5,872,216.80 × 3,317,614.40
  4. Step 4: Simplify right side
    3,914,811.20x = 19,481,751,015,601.92
  5. Step 5: Solve for x
    x = 19,481,751,015,601.92/3,914,811.20
  6. Step 6: Final answer
    x = 4,976,421.60

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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.