Home / 2,268,192.54-3,130,009.11-1,300,650.78

Finding the Fourth Proportional to 2,268,192.54, 3,130,009.11 and 1,300,650.78

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Solution

The fourth proportional to 2,268,192.54, 3,130,009.11 and 1,300,650.78 is: 1,794,842.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268,192.54 : 3,130,009.11 = 1,300,650.78 : x
  2. Step 2: Convert to fraction form
    2,268,192.54/3,130,009.11 = 1,300,650.78/x
  3. Step 3: Cross multiply
    2,268,192.54x = 3,130,009.11 × 1,300,650.78
  4. Step 4: Simplify right side
    2,268,192.54x = 4,071,048,790,328.61
  5. Step 5: Solve for x
    x = 4,071,048,790,328.61/2,268,192.54
  6. Step 6: Final answer
    x = 1,794,842.69

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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.