Home / 1,663,145.21-2,294,969.00-1,227,794.10

Finding the Fourth Proportional to 1,663,145.21, 2,294,969.00 and 1,227,794.10

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Solution

The fourth proportional to 1,663,145.21, 2,294,969.00 and 1,227,794.10 is: 1,694,229.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,145.21 : 2,294,969.00 = 1,227,794.10 : x
  2. Step 2: Convert to fraction form
    1,663,145.21/2,294,969.00 = 1,227,794.10/x
  3. Step 3: Cross multiply
    1,663,145.21x = 2,294,969.00 × 1,227,794.10
  4. Step 4: Simplify right side
    1,663,145.21x = 2,817,749,391,743.93
  5. Step 5: Solve for x
    x = 2,817,749,391,743.93/1,663,145.21
  6. Step 6: Final answer
    x = 1,694,229.33

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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.