Home / 3,490,090.80-5,235,481.80-1,215,265.20

Finding the Fourth Proportional to 3,490,090.80, 5,235,481.80 and 1,215,265.20

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Solution

The fourth proportional to 3,490,090.80, 5,235,481.80 and 1,215,265.20 is: 1,823,018.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490,090.80 : 5,235,481.80 = 1,215,265.20 : x
  2. Step 2: Convert to fraction form
    3,490,090.80/5,235,481.80 = 1,215,265.20/x
  3. Step 3: Cross multiply
    3,490,090.80x = 5,235,481.80 × 1,215,265.20
  4. Step 4: Simplify right side
    3,490,090.80x = 6,362,498,836,773.36
  5. Step 5: Solve for x
    x = 6,362,498,836,773.36/3,490,090.80
  6. Step 6: Final answer
    x = 1,823,018.14

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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.