Home / 1,879,620.80-2,593,879.05-1,020,181.28

Finding the Fourth Proportional to 1,879,620.80, 2,593,879.05 and 1,020,181.28

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Solution

The fourth proportional to 1,879,620.80, 2,593,879.05 and 1,020,181.28 is: 1,407,851.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,620.80 : 2,593,879.05 = 1,020,181.28 : x
  2. Step 2: Convert to fraction form
    1,879,620.80/2,593,879.05 = 1,020,181.28/x
  3. Step 3: Cross multiply
    1,879,620.80x = 2,593,879.05 × 1,020,181.28
  4. Step 4: Simplify right side
    1,879,620.80x = 2,646,226,849,102.52
  5. Step 5: Solve for x
    x = 2,646,226,849,102.52/1,879,620.80
  6. Step 6: Final answer
    x = 1,407,851.44

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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.