Home / 2,317,813.80-3,476,720.70-821,711.40

Finding the Fourth Proportional to 2,317,813.80, 3,476,720.70 and 821,711.40

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Solution

The fourth proportional to 2,317,813.80, 3,476,720.70 and 821,711.40 is: 1,232,567.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317,813.80 : 3,476,720.70 = 821,711.40 : x
  2. Step 2: Convert to fraction form
    2,317,813.80/3,476,720.70 = 821,711.40/x
  3. Step 3: Cross multiply
    2,317,813.80x = 3,476,720.70 × 821,711.40
  4. Step 4: Simplify right side
    2,317,813.80x = 2,856,861,033,805.98
  5. Step 5: Solve for x
    x = 2,856,861,033,805.98/2,317,813.80
  6. Step 6: Final answer
    x = 1,232,567.10

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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.