Home / 3,989,722.80-5,984,584.20-2,772,001.20

Finding the Fourth Proportional to 3,989,722.80, 5,984,584.20 and 2,772,001.20

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Solution

The fourth proportional to 3,989,722.80, 5,984,584.20 and 2,772,001.20 is: 4,158,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,722.80 : 5,984,584.20 = 2,772,001.20 : x
  2. Step 2: Convert to fraction form
    3,989,722.80/5,984,584.20 = 2,772,001.20/x
  3. Step 3: Cross multiply
    3,989,722.80x = 5,984,584.20 × 2,772,001.20
  4. Step 4: Simplify right side
    3,989,722.80x = 16,589,274,583,901.04
  5. Step 5: Solve for x
    x = 16,589,274,583,901.04/3,989,722.80
  6. Step 6: Final answer
    x = 4,158,001.80

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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.