Home / 1,629,008.70-2,443,513.05-1,028,021.10

Finding the Fourth Proportional to 1,629,008.70, 2,443,513.05 and 1,028,021.10

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Solution

The fourth proportional to 1,629,008.70, 2,443,513.05 and 1,028,021.10 is: 1,542,031.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629,008.70 : 2,443,513.05 = 1,028,021.10 : x
  2. Step 2: Convert to fraction form
    1,629,008.70/2,443,513.05 = 1,028,021.10/x
  3. Step 3: Cross multiply
    1,629,008.70x = 2,443,513.05 × 1,028,021.10
  4. Step 4: Simplify right side
    1,629,008.70x = 2,511,982,973,525.36
  5. Step 5: Solve for x
    x = 2,511,982,973,525.36/1,629,008.70
  6. Step 6: Final answer
    x = 1,542,031.65

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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.