Home / 3,828,279.89-5,282,983.91-2,174,415.81

Finding the Fourth Proportional to 3,828,279.89, 5,282,983.91 and 2,174,415.81

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Solution

The fourth proportional to 3,828,279.89, 5,282,983.91 and 2,174,415.81 is: 3,000,669.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828,279.89 : 5,282,983.91 = 2,174,415.81 : x
  2. Step 2: Convert to fraction form
    3,828,279.89/5,282,983.91 = 2,174,415.81/x
  3. Step 3: Cross multiply
    3,828,279.89x = 5,282,983.91 × 2,174,415.81
  4. Step 4: Simplify right side
    3,828,279.89x = 11,487,403,727,007.54
  5. Step 5: Solve for x
    x = 11,487,403,727,007.54/3,828,279.89
  6. Step 6: Final answer
    x = 3,000,669.77

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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.