Home / 5,200,251.60-7,800,377.40-2,680,827.60

Finding the Fourth Proportional to 5,200,251.60, 7,800,377.40 and 2,680,827.60

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Solution

The fourth proportional to 5,200,251.60, 7,800,377.40 and 2,680,827.60 is: 4,021,241.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200,251.60 : 7,800,377.40 = 2,680,827.60 : x
  2. Step 2: Convert to fraction form
    5,200,251.60/7,800,377.40 = 2,680,827.60/x
  3. Step 3: Cross multiply
    5,200,251.60x = 7,800,377.40 × 2,680,827.60
  4. Step 4: Simplify right side
    5,200,251.60x = 20,911,467,024,336.24
  5. Step 5: Solve for x
    x = 20,911,467,024,336.24/5,200,251.60
  6. Step 6: Final answer
    x = 4,021,241.40

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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.