Home / 2,119,379.14-3,177,887.64-699,053.86

Finding the Fourth Proportional to 2,119,379.14, 3,177,887.64 and 699,053.86

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Solution

The fourth proportional to 2,119,379.14, 3,177,887.64 and 699,053.86 is: 1,048,191.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,379.14 : 3,177,887.64 = 699,053.86 : x
  2. Step 2: Convert to fraction form
    2,119,379.14/3,177,887.64 = 699,053.86/x
  3. Step 3: Cross multiply
    2,119,379.14x = 3,177,887.64 × 699,053.86
  4. Step 4: Simplify right side
    2,119,379.14x = 2,221,514,621,388.29
  5. Step 5: Solve for x
    x = 2,221,514,621,388.29/2,119,379.14
  6. Step 6: Final answer
    x = 1,048,191.23

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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.