Home / 5,175,205.38-7,141,832.37-2,852,181.81

Finding the Fourth Proportional to 5,175,205.38, 7,141,832.37 and 2,852,181.81

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Solution

The fourth proportional to 5,175,205.38, 7,141,832.37 and 2,852,181.81 is: 3,936,037.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175,205.38 : 7,141,832.37 = 2,852,181.81 : x
  2. Step 2: Convert to fraction form
    5,175,205.38/7,141,832.37 = 2,852,181.81/x
  3. Step 3: Cross multiply
    5,175,205.38x = 7,141,832.37 × 2,852,181.81
  4. Step 4: Simplify right side
    5,175,205.38x = 20,369,804,375,783.19
  5. Step 5: Solve for x
    x = 20,369,804,375,783.19/5,175,205.38
  6. Step 6: Final answer
    x = 3,936,037.87

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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.