Home / 3,938,394.57-5,907,592.86-1,242,930.74

Finding the Fourth Proportional to 3,938,394.57, 5,907,592.86 and 1,242,930.74

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Solution

The fourth proportional to 3,938,394.57, 5,907,592.86 and 1,242,930.74 is: 1,864,396.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,394.57 : 5,907,592.86 = 1,242,930.74 : x
  2. Step 2: Convert to fraction form
    3,938,394.57/5,907,592.86 = 1,242,930.74/x
  3. Step 3: Cross multiply
    3,938,394.57x = 5,907,592.86 × 1,242,930.74
  4. Step 4: Simplify right side
    3,938,394.57x = 7,342,728,779,867.50
  5. Step 5: Solve for x
    x = 7,342,728,779,867.50/3,938,394.57
  6. Step 6: Final answer
    x = 1,864,396.43

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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.