Home / 2,485,355.40-3,722,784.30-2,219,416.20

Finding the Fourth Proportional to 2,485,355.40, 3,722,784.30 and 2,219,416.20

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Solution

The fourth proportional to 2,485,355.40, 3,722,784.30 and 2,219,416.20 is: 3,324,437.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485,355.40 : 3,722,784.30 = 2,219,416.20 : x
  2. Step 2: Convert to fraction form
    2,485,355.40/3,722,784.30 = 2,219,416.20/x
  3. Step 3: Cross multiply
    2,485,355.40x = 3,722,784.30 × 2,219,416.20
  4. Step 4: Simplify right side
    2,485,355.40x = 8,262,407,784,525.66
  5. Step 5: Solve for x
    x = 8,262,407,784,525.66/2,485,355.40
  6. Step 6: Final answer
    x = 3,324,437.13

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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.