Home / 6,485,143.30-8,949,498.21-3,544,972.09

Finding the Fourth Proportional to 6,485,143.30, 8,949,498.21 and 3,544,972.09

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Solution

The fourth proportional to 6,485,143.30, 8,949,498.21 and 3,544,972.09 is: 4,892,061.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,485,143.30 : 8,949,498.21 = 3,544,972.09 : x
  2. Step 2: Convert to fraction form
    6,485,143.30/8,949,498.21 = 3,544,972.09/x
  3. Step 3: Cross multiply
    6,485,143.30x = 8,949,498.21 × 3,544,972.09
  4. Step 4: Simplify right side
    6,485,143.30x = 31,725,721,373,954.96
  5. Step 5: Solve for x
    x = 31,725,721,373,954.96/6,485,143.30
  6. Step 6: Final answer
    x = 4,892,061.73

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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.