Home / 2,571,818.40-3,856,940.01-1,778,199.84

Finding the Fourth Proportional to 2,571,818.40, 3,856,940.01 and 1,778,199.84

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Solution

The fourth proportional to 2,571,818.40, 3,856,940.01 and 1,778,199.84 is: 2,666,755.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,571,818.40 : 3,856,940.01 = 1,778,199.84 : x
  2. Step 2: Convert to fraction form
    2,571,818.40/3,856,940.01 = 1,778,199.84/x
  3. Step 3: Cross multiply
    2,571,818.40x = 3,856,940.01 × 1,778,199.84
  4. Step 4: Simplify right side
    2,571,818.40x = 6,858,410,108,671.60
  5. Step 5: Solve for x
    x = 6,858,410,108,671.60/2,571,818.40
  6. Step 6: Final answer
    x = 2,666,755.21

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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.