Home / 1,522,099.89-2,100,513.29-918,371.25

Finding the Fourth Proportional to 1,522,099.89, 2,100,513.29 and 918,371.25

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Solution

The fourth proportional to 1,522,099.89, 2,100,513.29 and 918,371.25 is: 1,267,361.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522,099.89 : 2,100,513.29 = 918,371.25 : x
  2. Step 2: Convert to fraction form
    1,522,099.89/2,100,513.29 = 918,371.25/x
  3. Step 3: Cross multiply
    1,522,099.89x = 2,100,513.29 × 918,371.25
  4. Step 4: Simplify right side
    1,522,099.89x = 1,929,051,015,778.91
  5. Step 5: Solve for x
    x = 1,929,051,015,778.91/1,522,099.89
  6. Step 6: Final answer
    x = 1,267,361.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.