Home / 2,813,033.60-4,219,665.60-818,489.60

Finding the Fourth Proportional to 2,813,033.60, 4,219,665.60 and 818,489.60

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Solution

The fourth proportional to 2,813,033.60, 4,219,665.60 and 818,489.60 is: 1,227,767.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813,033.60 : 4,219,665.60 = 818,489.60 : x
  2. Step 2: Convert to fraction form
    2,813,033.60/4,219,665.60 = 818,489.60/x
  3. Step 3: Cross multiply
    2,813,033.60x = 4,219,665.60 × 818,489.60
  4. Step 4: Simplify right side
    2,813,033.60x = 3,453,752,409,077.76
  5. Step 5: Solve for x
    x = 3,453,752,409,077.76/2,813,033.60
  6. Step 6: Final answer
    x = 1,227,767.92

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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.