Home / 3,436,212.24-5,155,439.50-1,638,862.20

Finding the Fourth Proportional to 3,436,212.24, 5,155,439.50 and 1,638,862.20

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Solution

The fourth proportional to 3,436,212.24, 5,155,439.50 and 1,638,862.20 is: 2,458,828.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436,212.24 : 5,155,439.50 = 1,638,862.20 : x
  2. Step 2: Convert to fraction form
    3,436,212.24/5,155,439.50 = 1,638,862.20/x
  3. Step 3: Cross multiply
    3,436,212.24x = 5,155,439.50 × 1,638,862.20
  4. Step 4: Simplify right side
    3,436,212.24x = 8,449,054,920,936.90
  5. Step 5: Solve for x
    x = 8,449,054,920,936.90/3,436,212.24
  6. Step 6: Final answer
    x = 2,458,828.01

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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.