Home / 3,123,615.92-4,685,588.08-879,928.88

Finding the Fourth Proportional to 3,123,615.92, 4,685,588.08 and 879,928.88

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Solution

The fourth proportional to 3,123,615.92, 4,685,588.08 and 879,928.88 is: 1,319,939.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123,615.92 : 4,685,588.08 = 879,928.88 : x
  2. Step 2: Convert to fraction form
    3,123,615.92/4,685,588.08 = 879,928.88/x
  3. Step 3: Cross multiply
    3,123,615.92x = 4,685,588.08 × 879,928.88
  4. Step 4: Simplify right side
    3,123,615.92x = 4,122,984,271,375.75
  5. Step 5: Solve for x
    x = 4,122,984,271,375.75/3,123,615.92
  6. Step 6: Final answer
    x = 1,319,939.58

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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.