Home / 3,990,867.66-5,984,748.48-1,294,540.86

Finding the Fourth Proportional to 3,990,867.66, 5,984,748.48 and 1,294,540.86

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Solution

The fourth proportional to 3,990,867.66, 5,984,748.48 and 1,294,540.86 is: 1,941,307.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990,867.66 : 5,984,748.48 = 1,294,540.86 : x
  2. Step 2: Convert to fraction form
    3,990,867.66/5,984,748.48 = 1,294,540.86/x
  3. Step 3: Cross multiply
    3,990,867.66x = 5,984,748.48 × 1,294,540.86
  4. Step 4: Simplify right side
    3,990,867.66x = 7,747,501,444,182.89
  5. Step 5: Solve for x
    x = 7,747,501,444,182.89/3,990,867.66
  6. Step 6: Final answer
    x = 1,941,307.53

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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.