Home / 3,939,887.20-5,909,830.80-2,610,191.20

Finding the Fourth Proportional to 3,939,887.20, 5,909,830.80 and 2,610,191.20

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Solution

The fourth proportional to 3,939,887.20, 5,909,830.80 and 2,610,191.20 is: 3,915,286.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,887.20 : 5,909,830.80 = 2,610,191.20 : x
  2. Step 2: Convert to fraction form
    3,939,887.20/5,909,830.80 = 2,610,191.20/x
  3. Step 3: Cross multiply
    3,939,887.20x = 5,909,830.80 × 2,610,191.20
  4. Step 4: Simplify right side
    3,939,887.20x = 15,425,788,347,648.96
  5. Step 5: Solve for x
    x = 15,425,788,347,648.96/3,939,887.20
  6. Step 6: Final answer
    x = 3,915,286.80

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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.