Home / 5,329,644.60-7,989,218.10-2,634,385.80

Finding the Fourth Proportional to 5,329,644.60, 7,989,218.10 and 2,634,385.80

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Solution

The fourth proportional to 5,329,644.60, 7,989,218.10 and 2,634,385.80 is: 3,948,984.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329,644.60 : 7,989,218.10 = 2,634,385.80 : x
  2. Step 2: Convert to fraction form
    5,329,644.60/7,989,218.10 = 2,634,385.80/x
  3. Step 3: Cross multiply
    5,329,644.60x = 7,989,218.10 × 2,634,385.80
  4. Step 4: Simplify right side
    5,329,644.60x = 21,046,682,715,742.98
  5. Step 5: Solve for x
    x = 21,046,682,715,742.98/5,329,644.60
  6. Step 6: Final answer
    x = 3,948,984.27

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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.