Home / 3,129,369.66-4,694,728.86-970,351.35

Finding the Fourth Proportional to 3,129,369.66, 4,694,728.86 and 970,351.35

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Solution

The fourth proportional to 3,129,369.66, 4,694,728.86 and 970,351.35 is: 1,455,736.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,369.66 : 4,694,728.86 = 970,351.35 : x
  2. Step 2: Convert to fraction form
    3,129,369.66/4,694,728.86 = 970,351.35/x
  3. Step 3: Cross multiply
    3,129,369.66x = 4,694,728.86 × 970,351.35
  4. Step 4: Simplify right side
    3,129,369.66x = 4,555,536,487,184.96
  5. Step 5: Solve for x
    x = 4,555,536,487,184.96/3,129,369.66
  6. Step 6: Final answer
    x = 1,455,736.13

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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.