Home / 2,617,723.20-3,926,584.80-1,420,219.20

Finding the Fourth Proportional to 2,617,723.20, 3,926,584.80 and 1,420,219.20

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Solution

The fourth proportional to 2,617,723.20, 3,926,584.80 and 1,420,219.20 is: 2,130,328.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,723.20 : 3,926,584.80 = 1,420,219.20 : x
  2. Step 2: Convert to fraction form
    2,617,723.20/3,926,584.80 = 1,420,219.20/x
  3. Step 3: Cross multiply
    2,617,723.20x = 3,926,584.80 × 1,420,219.20
  4. Step 4: Simplify right side
    2,617,723.20x = 5,576,611,123,388.16
  5. Step 5: Solve for x
    x = 5,576,611,123,388.16/2,617,723.20
  6. Step 6: Final answer
    x = 2,130,328.80

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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.