Home / 1,879,621.30-2,593,879.68-1,020,181.78

Finding the Fourth Proportional to 1,879,621.30, 2,593,879.68 and 1,020,181.78

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Solution

The fourth proportional to 1,879,621.30, 2,593,879.68 and 1,020,181.78 is: 1,407,852.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,621.30 : 2,593,879.68 = 1,020,181.78 : x
  2. Step 2: Convert to fraction form
    1,879,621.30/2,593,879.68 = 1,020,181.78/x
  3. Step 3: Cross multiply
    1,879,621.30x = 2,593,879.68 × 1,020,181.78
  4. Step 4: Simplify right side
    1,879,621.30x = 2,646,228,789,048.23
  5. Step 5: Solve for x
    x = 2,646,228,789,048.23/1,879,621.30
  6. Step 6: Final answer
    x = 1,407,852.10

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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.