Home / 2,057,920.40-3,086,997.24-638,178.32

Finding the Fourth Proportional to 2,057,920.40, 3,086,997.24 and 638,178.32

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Solution

The fourth proportional to 2,057,920.40, 3,086,997.24 and 638,178.32 is: 957,303.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057,920.40 : 3,086,997.24 = 638,178.32 : x
  2. Step 2: Convert to fraction form
    2,057,920.40/3,086,997.24 = 638,178.32/x
  3. Step 3: Cross multiply
    2,057,920.40x = 3,086,997.24 × 638,178.32
  4. Step 4: Simplify right side
    2,057,920.40x = 1,970,054,712,467.84
  5. Step 5: Solve for x
    x = 1,970,054,712,467.84/2,057,920.40
  6. Step 6: Final answer
    x = 957,303.65

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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.