Home / 3,938,389.31-5,907,584.99-1,242,925.48

Finding the Fourth Proportional to 3,938,389.31, 5,907,584.99 and 1,242,925.48

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Solution

The fourth proportional to 3,938,389.31, 5,907,584.99 and 1,242,925.48 is: 1,864,388.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,389.31 : 5,907,584.99 = 1,242,925.48 : x
  2. Step 2: Convert to fraction form
    3,938,389.31/5,907,584.99 = 1,242,925.48/x
  3. Step 3: Cross multiply
    3,938,389.31x = 5,907,584.99 × 1,242,925.48
  4. Step 4: Simplify right side
    3,938,389.31x = 7,342,687,888,352.96
  5. Step 5: Solve for x
    x = 7,342,687,888,352.96/3,938,389.31
  6. Step 6: Final answer
    x = 1,864,388.54

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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.