Home / 2,684,136.05-4,026,825.33-1,405,438.16

Finding the Fourth Proportional to 2,684,136.05, 4,026,825.33 and 1,405,438.16

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Solution

The fourth proportional to 2,684,136.05, 4,026,825.33 and 1,405,438.16 is: 2,108,482.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684,136.05 : 4,026,825.33 = 1,405,438.16 : x
  2. Step 2: Convert to fraction form
    2,684,136.05/4,026,825.33 = 1,405,438.16/x
  3. Step 3: Cross multiply
    2,684,136.05x = 4,026,825.33 × 1,405,438.16
  4. Step 4: Simplify right side
    2,684,136.05x = 5,659,453,992,503.66
  5. Step 5: Solve for x
    x = 5,659,453,992,503.66/2,684,136.05
  6. Step 6: Final answer
    x = 2,108,482.54

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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.