Home / 3,986,443.74-5,980,618.16-1,290,771.96

Finding the Fourth Proportional to 3,986,443.74, 5,980,618.16 and 1,290,771.96

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Solution

The fourth proportional to 3,986,443.74, 5,980,618.16 and 1,290,771.96 is: 1,936,466.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,443.74 : 5,980,618.16 = 1,290,771.96 : x
  2. Step 2: Convert to fraction form
    3,986,443.74/5,980,618.16 = 1,290,771.96/x
  3. Step 3: Cross multiply
    3,986,443.74x = 5,980,618.16 × 1,290,771.96
  4. Step 4: Simplify right side
    3,986,443.74x = 7,719,614,224,394.79
  5. Step 5: Solve for x
    x = 7,719,614,224,394.79/3,986,443.74
  6. Step 6: Final answer
    x = 1,936,466.37

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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.