Home / 5,200,247.60-7,800,371.40-2,680,823.60

Finding the Fourth Proportional to 5,200,247.60, 7,800,371.40 and 2,680,823.60

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Solution

The fourth proportional to 5,200,247.60, 7,800,371.40 and 2,680,823.60 is: 4,021,235.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200,247.60 : 7,800,371.40 = 2,680,823.60 : x
  2. Step 2: Convert to fraction form
    5,200,247.60/7,800,371.40 = 2,680,823.60/x
  3. Step 3: Cross multiply
    5,200,247.60x = 7,800,371.40 × 2,680,823.60
  4. Step 4: Simplify right side
    5,200,247.60x = 20,911,419,737,885.04
  5. Step 5: Solve for x
    x = 20,911,419,737,885.04/5,200,247.60
  6. Step 6: Final answer
    x = 4,021,235.40

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1.5x scale

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.