Home / 2,659,815.20-3,989,722.80-1,848,000.80

Finding the Fourth Proportional to 2,659,815.20, 3,989,722.80 and 1,848,000.80

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Solution

The fourth proportional to 2,659,815.20, 3,989,722.80 and 1,848,000.80 is: 2,772,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,815.20 : 3,989,722.80 = 1,848,000.80 : x
  2. Step 2: Convert to fraction form
    2,659,815.20/3,989,722.80 = 1,848,000.80/x
  3. Step 3: Cross multiply
    2,659,815.20x = 3,989,722.80 × 1,848,000.80
  4. Step 4: Simplify right side
    2,659,815.20x = 7,373,010,926,178.24
  5. Step 5: Solve for x
    x = 7,373,010,926,178.24/2,659,815.20
  6. Step 6: Final answer
    x = 2,772,001.20

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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.