Home / 3,230,618.60-4,840,679.10-2,779,221.80

Finding the Fourth Proportional to 3,230,618.60, 4,840,679.10 and 2,779,221.80

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Solution

The fourth proportional to 3,230,618.60, 4,840,679.10 and 2,779,221.80 is: 4,164,317.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230,618.60 : 4,840,679.10 = 2,779,221.80 : x
  2. Step 2: Convert to fraction form
    3,230,618.60/4,840,679.10 = 2,779,221.80/x
  3. Step 3: Cross multiply
    3,230,618.60x = 4,840,679.10 × 2,779,221.80
  4. Step 4: Simplify right side
    3,230,618.60x = 13,453,320,881,524.38
  5. Step 5: Solve for x
    x = 13,453,320,881,524.38/3,230,618.60
  6. Step 6: Final answer
    x = 4,164,317.29

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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.