Home / 3,938,449.60-5,907,149.47-1,098,323.92

Finding the Fourth Proportional to 3,938,449.60, 5,907,149.47 and 1,098,323.92

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Solution

The fourth proportional to 3,938,449.60, 5,907,149.47 and 1,098,323.92 is: 1,647,339.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,449.60 : 5,907,149.47 = 1,098,323.92 : x
  2. Step 2: Convert to fraction form
    3,938,449.60/5,907,149.47 = 1,098,323.92/x
  3. Step 3: Cross multiply
    3,938,449.60x = 5,907,149.47 × 1,098,323.92
  4. Step 4: Simplify right side
    3,938,449.60x = 6,487,963,561,916.32
  5. Step 5: Solve for x
    x = 6,487,963,561,916.32/3,938,449.60
  6. Step 6: Final answer
    x = 1,647,339.49

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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.