Home / 2,912,824.45-4,369,230.52-782,908.64

Finding the Fourth Proportional to 2,912,824.45, 4,369,230.52 and 782,908.64

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Solution

The fourth proportional to 2,912,824.45, 4,369,230.52 and 782,908.64 is: 1,174,361.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,824.45 : 4,369,230.52 = 782,908.64 : x
  2. Step 2: Convert to fraction form
    2,912,824.45/4,369,230.52 = 782,908.64/x
  3. Step 3: Cross multiply
    2,912,824.45x = 4,369,230.52 × 782,908.64
  4. Step 4: Simplify right side
    2,912,824.45x = 3,420,708,316,840.88
  5. Step 5: Solve for x
    x = 3,420,708,316,840.88/2,912,824.45
  6. Step 6: Final answer
    x = 1,174,361.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.