Home / 1,542,420.93-2,130,758.01-1,231,915.83

Finding the Fourth Proportional to 1,542,420.93, 2,130,758.01 and 1,231,915.83

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Solution

The fourth proportional to 1,542,420.93, 2,130,758.01 and 1,231,915.83 is: 1,701,814.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,420.93 : 2,130,758.01 = 1,231,915.83 : x
  2. Step 2: Convert to fraction form
    1,542,420.93/2,130,758.01 = 1,231,915.83/x
  3. Step 3: Cross multiply
    1,542,420.93x = 2,130,758.01 × 1,231,915.83
  4. Step 4: Simplify right side
    1,542,420.93x = 2,624,914,522,418.30
  5. Step 5: Solve for x
    x = 2,624,914,522,418.30/1,542,420.93
  6. Step 6: Final answer
    x = 1,701,814.64

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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.