Home / 2,979,647.70-4,469,439.54-1,973,272.10

Finding the Fourth Proportional to 2,979,647.70, 4,469,439.54 and 1,973,272.10

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Solution

The fourth proportional to 2,979,647.70, 4,469,439.54 and 1,973,272.10 is: 2,959,886.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,647.70 : 4,469,439.54 = 1,973,272.10 : x
  2. Step 2: Convert to fraction form
    2,979,647.70/4,469,439.54 = 1,973,272.10/x
  3. Step 3: Cross multiply
    2,979,647.70x = 4,469,439.54 × 1,973,272.10
  4. Step 4: Simplify right side
    2,979,647.70x = 8,819,420,346,918.83
  5. Step 5: Solve for x
    x = 8,819,420,346,918.83/2,979,647.70
  6. Step 6: Final answer
    x = 2,959,886.95

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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.