Home / 1,879,209.91-2,593,309.71-1,019,770.21

Finding the Fourth Proportional to 1,879,209.91, 2,593,309.71 and 1,019,770.21

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Solution

The fourth proportional to 1,879,209.91, 2,593,309.71 and 1,019,770.21 is: 1,407,282.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,209.91 : 2,593,309.71 = 1,019,770.21 : x
  2. Step 2: Convert to fraction form
    1,879,209.91/2,593,309.71 = 1,019,770.21/x
  3. Step 3: Cross multiply
    1,879,209.91x = 2,593,309.71 × 1,019,770.21
  4. Step 4: Simplify right side
    1,879,209.91x = 2,644,579,987,561.74
  5. Step 5: Solve for x
    x = 2,644,579,987,561.74/1,879,209.91
  6. Step 6: Final answer
    x = 1,407,282.91

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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.