Home / 3,149,871.92-4,720,969.32-1,632,718.40

Finding the Fourth Proportional to 3,149,871.92, 4,720,969.32 and 1,632,718.40

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Solution

The fourth proportional to 3,149,871.92, 4,720,969.32 and 1,632,718.40 is: 2,447,087.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149,871.92 : 4,720,969.32 = 1,632,718.40 : x
  2. Step 2: Convert to fraction form
    3,149,871.92/4,720,969.32 = 1,632,718.40/x
  3. Step 3: Cross multiply
    3,149,871.92x = 4,720,969.32 × 1,632,718.40
  4. Step 4: Simplify right side
    3,149,871.92x = 7,708,013,474,599.49
  5. Step 5: Solve for x
    x = 7,708,013,474,599.49/3,149,871.92
  6. Step 6: Final answer
    x = 2,447,087.90

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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.