Home / 3,938,454.10-5,907,156.22-1,098,328.42

Finding the Fourth Proportional to 3,938,454.10, 5,907,156.22 and 1,098,328.42

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Solution

The fourth proportional to 3,938,454.10, 5,907,156.22 and 1,098,328.42 is: 1,647,346.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,454.10 : 5,907,156.22 = 1,098,328.42 : x
  2. Step 2: Convert to fraction form
    3,938,454.10/5,907,156.22 = 1,098,328.42/x
  3. Step 3: Cross multiply
    3,938,454.10x = 5,907,156.22 × 1,098,328.42
  4. Step 4: Simplify right side
    3,938,454.10x = 6,487,997,557,805.77
  5. Step 5: Solve for x
    x = 6,487,997,557,805.77/3,938,454.10
  6. Step 6: Final answer
    x = 1,647,346.24

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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.