Home / 2,811,426.48-4,217,101.92-681,528.96

Finding the Fourth Proportional to 2,811,426.48, 4,217,101.92 and 681,528.96

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Solution

The fourth proportional to 2,811,426.48, 4,217,101.92 and 681,528.96 is: 1,022,284.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,426.48 : 4,217,101.92 = 681,528.96 : x
  2. Step 2: Convert to fraction form
    2,811,426.48/4,217,101.92 = 681,528.96/x
  3. Step 3: Cross multiply
    2,811,426.48x = 4,217,101.92 × 681,528.96
  4. Step 4: Simplify right side
    2,811,426.48x = 2,874,077,085,751.60
  5. Step 5: Solve for x
    x = 2,874,077,085,751.60/2,811,426.48
  6. Step 6: Final answer
    x = 1,022,284.28

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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.