Home / 3,616,837.11-4,991,299.74-1,985,396.31

Finding the Fourth Proportional to 3,616,837.11, 4,991,299.74 and 1,985,396.31

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Solution

The fourth proportional to 3,616,837.11, 4,991,299.74 and 1,985,396.31 is: 2,739,882.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616,837.11 : 4,991,299.74 = 1,985,396.31 : x
  2. Step 2: Convert to fraction form
    3,616,837.11/4,991,299.74 = 1,985,396.31/x
  3. Step 3: Cross multiply
    3,616,837.11x = 4,991,299.74 × 1,985,396.31
  4. Step 4: Simplify right side
    3,616,837.11x = 9,909,708,085,899.96
  5. Step 5: Solve for x
    x = 9,909,708,085,899.96/3,616,837.11
  6. Step 6: Final answer
    x = 2,739,882.33

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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.