Home / 3,210,844.78-4,431,609.51-1,904,821.74

Finding the Fourth Proportional to 3,210,844.78, 4,431,609.51 and 1,904,821.74

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Solution

The fourth proportional to 3,210,844.78, 4,431,609.51 and 1,904,821.74 is: 2,629,035.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210,844.78 : 4,431,609.51 = 1,904,821.74 : x
  2. Step 2: Convert to fraction form
    3,210,844.78/4,431,609.51 = 1,904,821.74/x
  3. Step 3: Cross multiply
    3,210,844.78x = 4,431,609.51 × 1,904,821.74
  4. Step 4: Simplify right side
    3,210,844.78x = 8,441,426,153,679.83
  5. Step 5: Solve for x
    x = 8,441,426,153,679.83/3,210,844.78
  6. Step 6: Final answer
    x = 2,629,035.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.