Home / 2,658,922.39-3,989,388.63-1,040,847.55

Finding the Fourth Proportional to 2,658,922.39, 3,989,388.63 and 1,040,847.55

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Solution

The fourth proportional to 2,658,922.39, 3,989,388.63 and 1,040,847.55 is: 1,561,664.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,658,922.39 : 3,989,388.63 = 1,040,847.55 : x
  2. Step 2: Convert to fraction form
    2,658,922.39/3,989,388.63 = 1,040,847.55/x
  3. Step 3: Cross multiply
    2,658,922.39x = 3,989,388.63 × 1,040,847.55
  4. Step 4: Simplify right side
    2,658,922.39x = 4,152,345,369,913.08
  5. Step 5: Solve for x
    x = 4,152,345,369,913.08/2,658,922.39
  6. Step 6: Final answer
    x = 1,561,664.75

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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.