Home / 1,671,981.72-2,308,291.11-1,100,682.60

Finding the Fourth Proportional to 1,671,981.72, 2,308,291.11 and 1,100,682.60

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Solution

The fourth proportional to 1,671,981.72, 2,308,291.11 and 1,100,682.60 is: 1,519,571.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671,981.72 : 2,308,291.11 = 1,100,682.60 : x
  2. Step 2: Convert to fraction form
    1,671,981.72/2,308,291.11 = 1,100,682.60/x
  3. Step 3: Cross multiply
    1,671,981.72x = 2,308,291.11 × 1,100,682.60
  4. Step 4: Simplify right side
    1,671,981.72x = 2,540,695,860,511.69
  5. Step 5: Solve for x
    x = 2,540,695,860,511.69/1,671,981.72
  6. Step 6: Final answer
    x = 1,519,571.55

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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.