Home / 6,378,793.20-8,802,410.40-3,478,160.52

Finding the Fourth Proportional to 6,378,793.20, 8,802,410.40 and 3,478,160.52

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Solution

The fourth proportional to 6,378,793.20, 8,802,410.40 and 3,478,160.52 is: 4,799,684.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378,793.20 : 8,802,410.40 = 3,478,160.52 : x
  2. Step 2: Convert to fraction form
    6,378,793.20/8,802,410.40 = 3,478,160.52/x
  3. Step 3: Cross multiply
    6,378,793.20x = 8,802,410.40 × 3,478,160.52
  4. Step 4: Simplify right side
    6,378,793.20x = 30,616,196,334,117.41
  5. Step 5: Solve for x
    x = 30,616,196,334,117.41/6,378,793.20
  6. Step 6: Final answer
    x = 4,799,684.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.