Home / 1,954,240.80-2,931,361.20-958,912.80

Finding the Fourth Proportional to 1,954,240.80, 2,931,361.20 and 958,912.80

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Solution

The fourth proportional to 1,954,240.80, 2,931,361.20 and 958,912.80 is: 1,438,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954,240.80 : 2,931,361.20 = 958,912.80 : x
  2. Step 2: Convert to fraction form
    1,954,240.80/2,931,361.20 = 958,912.80/x
  3. Step 3: Cross multiply
    1,954,240.80x = 2,931,361.20 × 958,912.80
  4. Step 4: Simplify right side
    1,954,240.80x = 2,810,919,776,103.36
  5. Step 5: Solve for x
    x = 2,810,919,776,103.36/1,954,240.80
  6. Step 6: Final answer
    x = 1,438,369.20

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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.