Home / 5,978,528.80-8,967,793.20-1,989,440.80

Finding the Fourth Proportional to 5,978,528.80, 8,967,793.20 and 1,989,440.80

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Solution

The fourth proportional to 5,978,528.80, 8,967,793.20 and 1,989,440.80 is: 2,984,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,978,528.80 : 8,967,793.20 = 1,989,440.80 : x
  2. Step 2: Convert to fraction form
    5,978,528.80/8,967,793.20 = 1,989,440.80/x
  3. Step 3: Cross multiply
    5,978,528.80x = 8,967,793.20 × 1,989,440.80
  4. Step 4: Simplify right side
    5,978,528.80x = 17,840,893,678,042.56
  5. Step 5: Solve for x
    x = 17,840,893,678,042.56/5,978,528.80
  6. Step 6: Final answer
    x = 2,984,161.20

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Similar ratio
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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.