Home / 2,545,255.80-3,512,415.18-1,383,663.48

Finding the Fourth Proportional to 2,545,255.80, 3,512,415.18 and 1,383,663.48

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Solution

The fourth proportional to 2,545,255.80, 3,512,415.18 and 1,383,663.48 is: 1,909,435.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545,255.80 : 3,512,415.18 = 1,383,663.48 : x
  2. Step 2: Convert to fraction form
    2,545,255.80/3,512,415.18 = 1,383,663.48/x
  3. Step 3: Cross multiply
    2,545,255.80x = 3,512,415.18 × 1,383,663.48
  4. Step 4: Simplify right side
    2,545,255.80x = 4,860,000,611,163.63
  5. Step 5: Solve for x
    x = 4,860,000,611,163.63/2,545,255.80
  6. Step 6: Final answer
    x = 1,909,435.04

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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.