Home / 2,269,639.50-3,403,573.47-990,638.16

Finding the Fourth Proportional to 2,269,639.50, 3,403,573.47 and 990,638.16

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Solution

The fourth proportional to 2,269,639.50, 3,403,573.47 and 990,638.16 is: 1,485,570.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,269,639.50 : 3,403,573.47 = 990,638.16 : x
  2. Step 2: Convert to fraction form
    2,269,639.50/3,403,573.47 = 990,638.16/x
  3. Step 3: Cross multiply
    2,269,639.50x = 3,403,573.47 × 990,638.16
  4. Step 4: Simplify right side
    2,269,639.50x = 3,371,709,759,745.62
  5. Step 5: Solve for x
    x = 3,371,709,759,745.62/2,269,639.50
  6. Step 6: Final answer
    x = 1,485,570.62

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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.