Home / 3,612,676.36-4,985,561.77-1,980,986.41

Finding the Fourth Proportional to 3,612,676.36, 4,985,561.77 and 1,980,986.41

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Solution

The fourth proportional to 3,612,676.36, 4,985,561.77 and 1,980,986.41 is: 2,733,798.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612,676.36 : 4,985,561.77 = 1,980,986.41 : x
  2. Step 2: Convert to fraction form
    3,612,676.36/4,985,561.77 = 1,980,986.41/x
  3. Step 3: Cross multiply
    3,612,676.36x = 4,985,561.77 × 1,980,986.41
  4. Step 4: Simplify right side
    3,612,676.36x = 9,876,330,112,585.55
  5. Step 5: Solve for x
    x = 9,876,330,112,585.55/3,612,676.36
  6. Step 6: Final answer
    x = 2,733,798.75

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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.