Home / 1,879,431.52-2,593,634.88-1,019,999.20

Finding the Fourth Proportional to 1,879,431.52, 2,593,634.88 and 1,019,999.20

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Solution

The fourth proportional to 1,879,431.52, 2,593,634.88 and 1,019,999.20 is: 1,407,609.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,431.52 : 2,593,634.88 = 1,019,999.20 : x
  2. Step 2: Convert to fraction form
    1,879,431.52/2,593,634.88 = 1,019,999.20/x
  3. Step 3: Cross multiply
    1,879,431.52x = 2,593,634.88 × 1,019,999.20
  4. Step 4: Simplify right side
    1,879,431.52x = 2,645,505,502,692.10
  5. Step 5: Solve for x
    x = 2,645,505,502,692.10/1,879,431.52
  6. Step 6: Final answer
    x = 1,407,609.42

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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.