Home / 3,095,515.38-4,643,266.88-821,267.74

Finding the Fourth Proportional to 3,095,515.38, 4,643,266.88 and 821,267.74

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Solution

The fourth proportional to 3,095,515.38, 4,643,266.88 and 821,267.74 is: 1,231,899.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,095,515.38 : 4,643,266.88 = 821,267.74 : x
  2. Step 2: Convert to fraction form
    3,095,515.38/4,643,266.88 = 821,267.74/x
  3. Step 3: Cross multiply
    3,095,515.38x = 4,643,266.88 × 821,267.74
  4. Step 4: Simplify right side
    3,095,515.38x = 3,813,365,273,538.12
  5. Step 5: Solve for x
    x = 3,813,365,273,538.12/3,095,515.38
  6. Step 6: Final answer
    x = 1,231,899.96

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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.