Home / 2,640,885.08-3,956,170.00-1,820,078.35

Finding the Fourth Proportional to 2,640,885.08, 3,956,170.00 and 1,820,078.35

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Solution

The fourth proportional to 2,640,885.08, 3,956,170.00 and 1,820,078.35 is: 2,726,562.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,885.08 : 3,956,170.00 = 1,820,078.35 : x
  2. Step 2: Convert to fraction form
    2,640,885.08/3,956,170.00 = 1,820,078.35/x
  3. Step 3: Cross multiply
    2,640,885.08x = 3,956,170.00 × 1,820,078.35
  4. Step 4: Simplify right side
    2,640,885.08x = 7,200,539,346,928.68
  5. Step 5: Solve for x
    x = 7,200,539,346,928.68/2,640,885.08
  6. Step 6: Final answer
    x = 2,726,562.93

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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.