Home / 2,789,121.60-4,183,682.40-992,063.70

Finding the Fourth Proportional to 2,789,121.60, 4,183,682.40 and 992,063.70

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Solution

The fourth proportional to 2,789,121.60, 4,183,682.40 and 992,063.70 is: 1,488,095.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789,121.60 : 4,183,682.40 = 992,063.70 : x
  2. Step 2: Convert to fraction form
    2,789,121.60/4,183,682.40 = 992,063.70/x
  3. Step 3: Cross multiply
    2,789,121.60x = 4,183,682.40 × 992,063.70
  4. Step 4: Simplify right side
    2,789,121.60x = 4,150,479,441,368.88
  5. Step 5: Solve for x
    x = 4,150,479,441,368.88/2,789,121.60
  6. Step 6: Final answer
    x = 1,488,095.55

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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.