Home / 3,219,786.60-4,829,679.90-2,086,045.80

Finding the Fourth Proportional to 3,219,786.60, 4,829,679.90 and 2,086,045.80

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Solution

The fourth proportional to 3,219,786.60, 4,829,679.90 and 2,086,045.80 is: 3,129,068.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,786.60 : 4,829,679.90 = 2,086,045.80 : x
  2. Step 2: Convert to fraction form
    3,219,786.60/4,829,679.90 = 2,086,045.80/x
  3. Step 3: Cross multiply
    3,219,786.60x = 4,829,679.90 × 2,086,045.80
  4. Step 4: Simplify right side
    3,219,786.60x = 10,074,933,470,739.42
  5. Step 5: Solve for x
    x = 10,074,933,470,739.42/3,219,786.60
  6. Step 6: Final answer
    x = 3,129,068.70

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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.