Home / 3,178,933.60-4,768,400.40-1,835,240.80

Finding the Fourth Proportional to 3,178,933.60, 4,768,400.40 and 1,835,240.80

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Solution

The fourth proportional to 3,178,933.60, 4,768,400.40 and 1,835,240.80 is: 2,752,861.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,933.60 : 4,768,400.40 = 1,835,240.80 : x
  2. Step 2: Convert to fraction form
    3,178,933.60/4,768,400.40 = 1,835,240.80/x
  3. Step 3: Cross multiply
    3,178,933.60x = 4,768,400.40 × 1,835,240.80
  4. Step 4: Simplify right side
    3,178,933.60x = 8,751,162,964,816.32
  5. Step 5: Solve for x
    x = 8,751,162,964,816.32/3,178,933.60
  6. Step 6: Final answer
    x = 2,752,861.20

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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.