Home / 5,154,674.20-7,113,538.50-2,831,664.60

Finding the Fourth Proportional to 5,154,674.20, 7,113,538.50 and 2,831,664.60

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Solution

The fourth proportional to 5,154,674.20, 7,113,538.50 and 2,831,664.60 is: 3,907,745.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154,674.20 : 7,113,538.50 = 2,831,664.60 : x
  2. Step 2: Convert to fraction form
    5,154,674.20/7,113,538.50 = 2,831,664.60/x
  3. Step 3: Cross multiply
    5,154,674.20x = 7,113,538.50 × 2,831,664.60
  4. Step 4: Simplify right side
    5,154,674.20x = 20,143,155,151,187.10
  5. Step 5: Solve for x
    x = 20,143,155,151,187.10/5,154,674.20
  6. Step 6: Final answer
    x = 3,907,745.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.