Home / 5,390,586.20-8,085,879.30-4,578,771.80

Finding the Fourth Proportional to 5,390,586.20, 8,085,879.30 and 4,578,771.80

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Solution

The fourth proportional to 5,390,586.20, 8,085,879.30 and 4,578,771.80 is: 6,868,157.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,586.20 : 8,085,879.30 = 4,578,771.80 : x
  2. Step 2: Convert to fraction form
    5,390,586.20/8,085,879.30 = 4,578,771.80/x
  3. Step 3: Cross multiply
    5,390,586.20x = 8,085,879.30 × 4,578,771.80
  4. Step 4: Simplify right side
    5,390,586.20x = 37,023,396,117,043.73
  5. Step 5: Solve for x
    x = 37,023,396,117,043.73/5,390,586.20
  6. Step 6: Final answer
    x = 6,868,157.70

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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.