Home / 3,938,779.59-5,908,168.71-1,244,996.21

Finding the Fourth Proportional to 3,938,779.59, 5,908,168.71 and 1,244,996.21

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Solution

The fourth proportional to 3,938,779.59, 5,908,168.71 and 1,244,996.21 is: 1,867,494.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,779.59 : 5,908,168.71 = 1,244,996.21 : x
  2. Step 2: Convert to fraction form
    3,938,779.59/5,908,168.71 = 1,244,996.21/x
  3. Step 3: Cross multiply
    3,938,779.59x = 5,908,168.71 × 1,244,996.21
  4. Step 4: Simplify right side
    3,938,779.59x = 7,355,647,622,449.75
  5. Step 5: Solve for x
    x = 7,355,647,622,449.75/3,938,779.59
  6. Step 6: Final answer
    x = 1,867,494.09

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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.