Home / 4,972,731.20-7,459,096.80-1,777,961.60

Finding the Fourth Proportional to 4,972,731.20, 7,459,096.80 and 1,777,961.60

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Solution

The fourth proportional to 4,972,731.20, 7,459,096.80 and 1,777,961.60 is: 2,666,942.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972,731.20 : 7,459,096.80 = 1,777,961.60 : x
  2. Step 2: Convert to fraction form
    4,972,731.20/7,459,096.80 = 1,777,961.60/x
  3. Step 3: Cross multiply
    4,972,731.20x = 7,459,096.80 × 1,777,961.60
  4. Step 4: Simplify right side
    4,972,731.20x = 13,261,987,681,082.88
  5. Step 5: Solve for x
    x = 13,261,987,681,082.88/4,972,731.20
  6. Step 6: Final answer
    x = 2,666,942.40

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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.