Home / 2,766,783.87-3,818,168.51-1,543,168.66

Finding the Fourth Proportional to 2,766,783.87, 3,818,168.51 and 1,543,168.66

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Solution

The fourth proportional to 2,766,783.87, 3,818,168.51 and 1,543,168.66 is: 2,129,576.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766,783.87 : 3,818,168.51 = 1,543,168.66 : x
  2. Step 2: Convert to fraction form
    2,766,783.87/3,818,168.51 = 1,543,168.66/x
  3. Step 3: Cross multiply
    2,766,783.87x = 3,818,168.51 × 1,543,168.66
  4. Step 4: Simplify right side
    2,766,783.87x = 5,892,077,965,969.63
  5. Step 5: Solve for x
    x = 5,892,077,965,969.63/2,766,783.87
  6. Step 6: Final answer
    x = 2,129,576.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.