Home / 2,119,296.60-3,178,500.21-699,019.92

Finding the Fourth Proportional to 2,119,296.60, 3,178,500.21 and 699,019.92

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Solution

The fourth proportional to 2,119,296.60, 3,178,500.21 and 699,019.92 is: 1,048,383.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,296.60 : 3,178,500.21 = 699,019.92 : x
  2. Step 2: Convert to fraction form
    2,119,296.60/3,178,500.21 = 699,019.92/x
  3. Step 3: Cross multiply
    2,119,296.60x = 3,178,500.21 × 699,019.92
  4. Step 4: Simplify right side
    2,119,296.60x = 2,221,834,962,514.18
  5. Step 5: Solve for x
    x = 2,221,834,962,514.18/2,119,296.60
  6. Step 6: Final answer
    x = 1,048,383.21

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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.