Home / 4,120,089.30-6,181,905.42-1,991,773.80

Finding the Fourth Proportional to 4,120,089.30, 6,181,905.42 and 1,991,773.80

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Solution

The fourth proportional to 4,120,089.30, 6,181,905.42 and 1,991,773.80 is: 2,988,517.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120,089.30 : 6,181,905.42 = 1,991,773.80 : x
  2. Step 2: Convert to fraction form
    4,120,089.30/6,181,905.42 = 1,991,773.80/x
  3. Step 3: Cross multiply
    4,120,089.30x = 6,181,905.42 × 1,991,773.80
  4. Step 4: Simplify right side
    4,120,089.30x = 12,312,957,249,634.00
  5. Step 5: Solve for x
    x = 12,312,957,249,634.00/4,120,089.30
  6. Step 6: Final answer
    x = 2,988,517.08

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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.