Home / 3,616,844.61-4,991,310.09-1,985,403.81

Finding the Fourth Proportional to 3,616,844.61, 4,991,310.09 and 1,985,403.81

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Solution

The fourth proportional to 3,616,844.61, 4,991,310.09 and 1,985,403.81 is: 2,739,892.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616,844.61 : 4,991,310.09 = 1,985,403.81 : x
  2. Step 2: Convert to fraction form
    3,616,844.61/4,991,310.09 = 1,985,403.81/x
  3. Step 3: Cross multiply
    3,616,844.61x = 4,991,310.09 × 1,985,403.81
  4. Step 4: Simplify right side
    3,616,844.61x = 9,909,766,069,577.44
  5. Step 5: Solve for x
    x = 9,909,766,069,577.44/3,616,844.61
  6. Step 6: Final answer
    x = 2,739,892.68

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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.