Home / 1,576,431.56-2,173,198.74-1,122,935.24

Finding the Fourth Proportional to 1,576,431.56, 2,173,198.74 and 1,122,935.24

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Solution

The fourth proportional to 1,576,431.56, 2,173,198.74 and 1,122,935.24 is: 1,548,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576,431.56 : 2,173,198.74 = 1,122,935.24 : x
  2. Step 2: Convert to fraction form
    1,576,431.56/2,173,198.74 = 1,122,935.24/x
  3. Step 3: Cross multiply
    1,576,431.56x = 2,173,198.74 × 1,122,935.24
  4. Step 4: Simplify right side
    1,576,431.56x = 2,440,361,448,669.60
  5. Step 5: Solve for x
    x = 2,440,361,448,669.60/1,576,431.56
  6. Step 6: Final answer
    x = 1,548,028.80

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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.