Home / 3,494,687.12-4,822,823.40-1,966,893.20

Finding the Fourth Proportional to 3,494,687.12, 4,822,823.40 and 1,966,893.20

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Solution

The fourth proportional to 3,494,687.12, 4,822,823.40 and 1,966,893.20 is: 2,714,399.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,494,687.12 : 4,822,823.40 = 1,966,893.20 : x
  2. Step 2: Convert to fraction form
    3,494,687.12/4,822,823.40 = 1,966,893.20/x
  3. Step 3: Cross multiply
    3,494,687.12x = 4,822,823.40 × 1,966,893.20
  4. Step 4: Simplify right side
    3,494,687.12x = 9,485,978,550,260.88
  5. Step 5: Solve for x
    x = 9,485,978,550,260.88/3,494,687.12
  6. Step 6: Final answer
    x = 2,714,399.95

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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.