Home / 4,723,478.20-7,085,217.30-3,305,135.80

Finding the Fourth Proportional to 4,723,478.20, 7,085,217.30 and 3,305,135.80

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Solution

The fourth proportional to 4,723,478.20, 7,085,217.30 and 3,305,135.80 is: 4,957,703.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,723,478.20 : 7,085,217.30 = 3,305,135.80 : x
  2. Step 2: Convert to fraction form
    4,723,478.20/7,085,217.30 = 3,305,135.80/x
  3. Step 3: Cross multiply
    4,723,478.20x = 7,085,217.30 × 3,305,135.80
  4. Step 4: Simplify right side
    4,723,478.20x = 23,417,605,349,009.34
  5. Step 5: Solve for x
    x = 23,417,605,349,009.34/4,723,478.20
  6. Step 6: Final answer
    x = 4,957,703.70

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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.