Home / 3,120,066-4,680,099-756,162

Finding the Fourth Proportional to 3,120,066, 4,680,099 and 756,162

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Solution

The fourth proportional to 3,120,066, 4,680,099 and 756,162 is: 1,134,243

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,066 : 4,680,099 = 756,162 : x
  2. Step 2: Convert to fraction form
    3,120,066/4,680,099 = 756,162/x
  3. Step 3: Cross multiply
    3,120,066x = 4,680,099 × 756,162
  4. Step 4: Simplify right side
    3,120,066x = 3,538,913,020,038
  5. Step 5: Solve for x
    x = 3,538,913,020,038/3,120,066
  6. Step 6: Final answer
    x = 1,134,243

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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.