Home / 2,812,991.32-4,219,428.65-683,086.60

Finding the Fourth Proportional to 2,812,991.32, 4,219,428.65 and 683,086.60

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Solution

The fourth proportional to 2,812,991.32, 4,219,428.65 and 683,086.60 is: 1,024,615.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,991.32 : 4,219,428.65 = 683,086.60 : x
  2. Step 2: Convert to fraction form
    2,812,991.32/4,219,428.65 = 683,086.60/x
  3. Step 3: Cross multiply
    2,812,991.32x = 4,219,428.65 × 683,086.60
  4. Step 4: Simplify right side
    2,812,991.32x = 2,882,235,149,373.95
  5. Step 5: Solve for x
    x = 2,882,235,149,373.95/2,812,991.32
  6. Step 6: Final answer
    x = 1,024,615.73

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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.