Home / 3,178,593-4,386,458.34-1,747,809

Finding the Fourth Proportional to 3,178,593, 4,386,458.34 and 1,747,809

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Solution

The fourth proportional to 3,178,593, 4,386,458.34 and 1,747,809 is: 2,411,976.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,593 : 4,386,458.34 = 1,747,809 : x
  2. Step 2: Convert to fraction form
    3,178,593/4,386,458.34 = 1,747,809/x
  3. Step 3: Cross multiply
    3,178,593x = 4,386,458.34 × 1,747,809
  4. Step 4: Simplify right side
    3,178,593x = 7,666,691,364,777.06
  5. Step 5: Solve for x
    x = 7,666,691,364,777.06/3,178,593
  6. Step 6: Final answer
    x = 2,411,976.42

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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.