Home / 2,979,457.79-4,469,631.37-1,382,182.34

Finding the Fourth Proportional to 2,979,457.79, 4,469,631.37 and 1,382,182.34

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Solution

The fourth proportional to 2,979,457.79, 4,469,631.37 and 1,382,182.34 is: 2,073,479.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,457.79 : 4,469,631.37 = 1,382,182.34 : x
  2. Step 2: Convert to fraction form
    2,979,457.79/4,469,631.37 = 1,382,182.34/x
  3. Step 3: Cross multiply
    2,979,457.79x = 4,469,631.37 × 1,382,182.34
  4. Step 4: Simplify right side
    2,979,457.79x = 6,177,845,520,120.39
  5. Step 5: Solve for x
    x = 6,177,845,520,120.39/2,979,457.79
  6. Step 6: Final answer
    x = 2,073,479.80

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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.