Home / 3,012,999.87-4,519,797.48-990,423.39

Finding the Fourth Proportional to 3,012,999.87, 4,519,797.48 and 990,423.39

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Solution

The fourth proportional to 3,012,999.87, 4,519,797.48 and 990,423.39 is: 1,485,732.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012,999.87 : 4,519,797.48 = 990,423.39 : x
  2. Step 2: Convert to fraction form
    3,012,999.87/4,519,797.48 = 990,423.39/x
  3. Step 3: Cross multiply
    3,012,999.87x = 4,519,797.48 × 990,423.39
  4. Step 4: Simplify right side
    3,012,999.87x = 4,476,513,142,255.06
  5. Step 5: Solve for x
    x = 4,476,513,142,255.06/3,012,999.87
  6. Step 6: Final answer
    x = 1,485,732.94

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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.