Home / 2,618,035.92-3,927,102.48-820,879.20

Finding the Fourth Proportional to 2,618,035.92, 3,927,102.48 and 820,879.20

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Solution

The fourth proportional to 2,618,035.92, 3,927,102.48 and 820,879.20 is: 1,231,334.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618,035.92 : 3,927,102.48 = 820,879.20 : x
  2. Step 2: Convert to fraction form
    2,618,035.92/3,927,102.48 = 820,879.20/x
  3. Step 3: Cross multiply
    2,618,035.92x = 3,927,102.48 × 820,879.20
  4. Step 4: Simplify right side
    2,618,035.92x = 3,223,676,742,100.42
  5. Step 5: Solve for x
    x = 3,223,676,742,100.42/2,618,035.92
  6. Step 6: Final answer
    x = 1,231,334.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.