Home / 1,645,785.30-2,464,991.55-1,608,921.30

Finding the Fourth Proportional to 1,645,785.30, 2,464,991.55 and 1,608,921.30

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Solution

The fourth proportional to 1,645,785.30, 2,464,991.55 and 1,608,921.30 is: 2,409,778.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,785.30 : 2,464,991.55 = 1,608,921.30 : x
  2. Step 2: Convert to fraction form
    1,645,785.30/2,464,991.55 = 1,608,921.30/x
  3. Step 3: Cross multiply
    1,645,785.30x = 2,464,991.55 × 1,608,921.30
  4. Step 4: Simplify right side
    1,645,785.30x = 3,965,977,409,115.01
  5. Step 5: Solve for x
    x = 3,965,977,409,115.01/1,645,785.30
  6. Step 6: Final answer
    x = 2,409,778.12

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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.