Home / 3,523,385.80-5,285,078.70-1,279,232.20

Finding the Fourth Proportional to 3,523,385.80, 5,285,078.70 and 1,279,232.20

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Solution

The fourth proportional to 3,523,385.80, 5,285,078.70 and 1,279,232.20 is: 1,918,848.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523,385.80 : 5,285,078.70 = 1,279,232.20 : x
  2. Step 2: Convert to fraction form
    3,523,385.80/5,285,078.70 = 1,279,232.20/x
  3. Step 3: Cross multiply
    3,523,385.80x = 5,285,078.70 × 1,279,232.20
  4. Step 4: Simplify right side
    3,523,385.80x = 6,760,842,852,574.14
  5. Step 5: Solve for x
    x = 6,760,842,852,574.14/3,523,385.80
  6. Step 6: Final answer
    x = 1,918,848.30

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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.