Home / 2,798,872.48-3,863,635.77-1,881,633.61

Finding the Fourth Proportional to 2,798,872.48, 3,863,635.77 and 1,881,633.61

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Solution

The fourth proportional to 2,798,872.48, 3,863,635.77 and 1,881,633.61 is: 2,597,455.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798,872.48 : 3,863,635.77 = 1,881,633.61 : x
  2. Step 2: Convert to fraction form
    2,798,872.48/3,863,635.77 = 1,881,633.61/x
  3. Step 3: Cross multiply
    2,798,872.48x = 3,863,635.77 × 1,881,633.61
  4. Step 4: Simplify right side
    2,798,872.48x = 7,269,946,921,630.23
  5. Step 5: Solve for x
    x = 7,269,946,921,630.23/2,798,872.48
  6. Step 6: Final answer
    x = 2,597,455.57

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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.