Home / 2,419,431.20-3,629,146.80-1,569,125.60

Finding the Fourth Proportional to 2,419,431.20, 3,629,146.80 and 1,569,125.60

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Solution

The fourth proportional to 2,419,431.20, 3,629,146.80 and 1,569,125.60 is: 2,353,688.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419,431.20 : 3,629,146.80 = 1,569,125.60 : x
  2. Step 2: Convert to fraction form
    2,419,431.20/3,629,146.80 = 1,569,125.60/x
  3. Step 3: Cross multiply
    2,419,431.20x = 3,629,146.80 × 1,569,125.60
  4. Step 4: Simplify right side
    2,419,431.20x = 5,694,587,150,038.08
  5. Step 5: Solve for x
    x = 5,694,587,150,038.08/2,419,431.20
  6. Step 6: Final answer
    x = 2,353,688.40

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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.