Home / 3,876,276.80-5,814,674.40-1,317,454.40

Finding the Fourth Proportional to 3,876,276.80, 5,814,674.40 and 1,317,454.40

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Solution

The fourth proportional to 3,876,276.80, 5,814,674.40 and 1,317,454.40 is: 1,976,269.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876,276.80 : 5,814,674.40 = 1,317,454.40 : x
  2. Step 2: Convert to fraction form
    3,876,276.80/5,814,674.40 = 1,317,454.40/x
  3. Step 3: Cross multiply
    3,876,276.80x = 5,814,674.40 × 1,317,454.40
  4. Step 4: Simplify right side
    3,876,276.80x = 7,660,568,372,847.36
  5. Step 5: Solve for x
    x = 7,660,568,372,847.36/3,876,276.80
  6. Step 6: Final answer
    x = 1,976,269.70

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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.