Home / 3,886,842.04-5,363,828.10-2,167,961.24

Finding the Fourth Proportional to 3,886,842.04, 5,363,828.10 and 2,167,961.24

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Solution

The fourth proportional to 3,886,842.04, 5,363,828.10 and 2,167,961.24 is: 2,991,778.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,842.04 : 5,363,828.10 = 2,167,961.24 : x
  2. Step 2: Convert to fraction form
    3,886,842.04/5,363,828.10 = 2,167,961.24/x
  3. Step 3: Cross multiply
    3,886,842.04x = 5,363,828.10 × 2,167,961.24
  4. Step 4: Simplify right side
    3,886,842.04x = 11,628,571,418,822.84
  5. Step 5: Solve for x
    x = 11,628,571,418,822.84/3,886,842.04
  6. Step 6: Final answer
    x = 2,991,778.75

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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.