Home / 2,085,561.63-3,129,525.87-1,126,004.45

Finding the Fourth Proportional to 2,085,561.63, 3,129,525.87 and 1,126,004.45

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Solution

The fourth proportional to 2,085,561.63, 3,129,525.87 and 1,126,004.45 is: 1,689,645.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,561.63 : 3,129,525.87 = 1,126,004.45 : x
  2. Step 2: Convert to fraction form
    2,085,561.63/3,129,525.87 = 1,126,004.45/x
  3. Step 3: Cross multiply
    2,085,561.63x = 3,129,525.87 × 1,126,004.45
  4. Step 4: Simplify right side
    2,085,561.63x = 3,523,860,056,010.12
  5. Step 5: Solve for x
    x = 3,523,860,056,010.12/2,085,561.63
  6. Step 6: Final answer
    x = 1,689,645.61

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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.