Home / 1,879,138.23-2,593,217.78-1,019,698.43

Finding the Fourth Proportional to 1,879,138.23, 2,593,217.78 and 1,019,698.43

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Solution

The fourth proportional to 1,879,138.23, 2,593,217.78 and 1,019,698.43 is: 1,407,187.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,138.23 : 2,593,217.78 = 1,019,698.43 : x
  2. Step 2: Convert to fraction form
    1,879,138.23/2,593,217.78 = 1,019,698.43/x
  3. Step 3: Cross multiply
    1,879,138.23x = 2,593,217.78 × 1,019,698.43
  4. Step 4: Simplify right side
    1,879,138.23x = 2,644,300,080,849.50
  5. Step 5: Solve for x
    x = 2,644,300,080,849.50/1,879,138.23
  6. Step 6: Final answer
    x = 1,407,187.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.