Home / 5,271,728.80-7,907,593.20-3,144,215.20

Finding the Fourth Proportional to 5,271,728.80, 7,907,593.20 and 3,144,215.20

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Solution

The fourth proportional to 5,271,728.80, 7,907,593.20 and 3,144,215.20 is: 4,716,322.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271,728.80 : 7,907,593.20 = 3,144,215.20 : x
  2. Step 2: Convert to fraction form
    5,271,728.80/7,907,593.20 = 3,144,215.20/x
  3. Step 3: Cross multiply
    5,271,728.80x = 7,907,593.20 × 3,144,215.20
  4. Step 4: Simplify right side
    5,271,728.80x = 24,863,174,734,856.64
  5. Step 5: Solve for x
    x = 24,863,174,734,856.64/5,271,728.80
  6. Step 6: Final answer
    x = 4,716,322.80

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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.