Home / 1,879,619.31-2,593,876.57-1,020,179.75

Finding the Fourth Proportional to 1,879,619.31, 2,593,876.57 and 1,020,179.75

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Solution

The fourth proportional to 1,879,619.31, 2,593,876.57 and 1,020,179.75 is: 1,407,849.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,619.31 : 2,593,876.57 = 1,020,179.75 : x
  2. Step 2: Convert to fraction form
    1,879,619.31/2,593,876.57 = 1,020,179.75/x
  3. Step 3: Cross multiply
    1,879,619.31x = 2,593,876.57 × 1,020,179.75
  4. Step 4: Simplify right side
    1,879,619.31x = 2,646,220,335,193.63
  5. Step 5: Solve for x
    x = 2,646,220,335,193.63/1,879,619.31
  6. Step 6: Final answer
    x = 1,407,849.09

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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.