Home / 2,571,820.90-3,856,943.76-1,778,202.34

Finding the Fourth Proportional to 2,571,820.90, 3,856,943.76 and 1,778,202.34

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Solution

The fourth proportional to 2,571,820.90, 3,856,943.76 and 1,778,202.34 is: 2,666,758.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,571,820.90 : 3,856,943.76 = 1,778,202.34 : x
  2. Step 2: Convert to fraction form
    2,571,820.90/3,856,943.76 = 1,778,202.34/x
  3. Step 3: Cross multiply
    2,571,820.90x = 3,856,943.76 × 1,778,202.34
  4. Step 4: Simplify right side
    2,571,820.90x = 6,858,426,419,280.40
  5. Step 5: Solve for x
    x = 6,858,426,419,280.40/2,571,820.90
  6. Step 6: Final answer
    x = 2,666,758.96

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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.