Home / 5,146,661.40-7,103,244.24-2,855,560.20

Finding the Fourth Proportional to 5,146,661.40, 7,103,244.24 and 2,855,560.20

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Solution

The fourth proportional to 5,146,661.40, 7,103,244.24 and 2,855,560.20 is: 3,941,145.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146,661.40 : 7,103,244.24 = 2,855,560.20 : x
  2. Step 2: Convert to fraction form
    5,146,661.40/7,103,244.24 = 2,855,560.20/x
  3. Step 3: Cross multiply
    5,146,661.40x = 7,103,244.24 × 2,855,560.20
  4. Step 4: Simplify right side
    5,146,661.40x = 20,283,741,542,623.25
  5. Step 5: Solve for x
    x = 20,283,741,542,623.25/5,146,661.40
  6. Step 6: Final answer
    x = 3,941,145.52

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1.5x scale

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.