Home / 5,399,820.40-8,099,860.20-1,613,426.80

Finding the Fourth Proportional to 5,399,820.40, 8,099,860.20 and 1,613,426.80

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Solution

The fourth proportional to 5,399,820.40, 8,099,860.20 and 1,613,426.80 is: 2,420,178.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399,820.40 : 8,099,860.20 = 1,613,426.80 : x
  2. Step 2: Convert to fraction form
    5,399,820.40/8,099,860.20 = 1,613,426.80/x
  3. Step 3: Cross multiply
    5,399,820.40x = 8,099,860.20 × 1,613,426.80
  4. Step 4: Simplify right side
    5,399,820.40x = 13,068,531,522,933.36
  5. Step 5: Solve for x
    x = 13,068,531,522,933.36/5,399,820.40
  6. Step 6: Final answer
    x = 2,420,178.92

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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.