Home / 3,938,518.28-5,907,824.46-1,098,457.64

Finding the Fourth Proportional to 3,938,518.28, 5,907,824.46 and 1,098,457.64

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Solution

The fourth proportional to 3,938,518.28, 5,907,824.46 and 1,098,457.64 is: 1,647,699.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,518.28 : 5,907,824.46 = 1,098,457.64 : x
  2. Step 2: Convert to fraction form
    3,938,518.28/5,907,824.46 = 1,098,457.64/x
  3. Step 3: Cross multiply
    3,938,518.28x = 5,907,824.46 × 1,098,457.64
  4. Step 4: Simplify right side
    3,938,518.28x = 6,489,494,913,865.87
  5. Step 5: Solve for x
    x = 6,489,494,913,865.87/3,938,518.28
  6. Step 6: Final answer
    x = 1,647,699.58

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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.