Home / 1,821,638.70-2,734,110.45-923,705.10

Finding the Fourth Proportional to 1,821,638.70, 2,734,110.45 and 923,705.10

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Solution

The fourth proportional to 1,821,638.70, 2,734,110.45 and 923,705.10 is: 1,386,395.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,638.70 : 2,734,110.45 = 923,705.10 : x
  2. Step 2: Convert to fraction form
    1,821,638.70/2,734,110.45 = 923,705.10/x
  3. Step 3: Cross multiply
    1,821,638.70x = 2,734,110.45 × 923,705.10
  4. Step 4: Simplify right side
    1,821,638.70x = 2,525,511,766,628.30
  5. Step 5: Solve for x
    x = 2,525,511,766,628.30/1,821,638.70
  6. Step 6: Final answer
    x = 1,386,395.54

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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.