Home / 2,571,813.90-3,856,933.26-1,778,195.34

Finding the Fourth Proportional to 2,571,813.90, 3,856,933.26 and 1,778,195.34

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Solution

The fourth proportional to 2,571,813.90, 3,856,933.26 and 1,778,195.34 is: 2,666,748.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,571,813.90 : 3,856,933.26 = 1,778,195.34 : x
  2. Step 2: Convert to fraction form
    2,571,813.90/3,856,933.26 = 1,778,195.34/x
  3. Step 3: Cross multiply
    2,571,813.90x = 3,856,933.26 × 1,778,195.34
  4. Step 4: Simplify right side
    2,571,813.90x = 6,858,380,749,623.01
  5. Step 5: Solve for x
    x = 6,858,380,749,623.01/2,571,813.90
  6. Step 6: Final answer
    x = 2,666,748.46

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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.