Home / 3,889,571.09-5,368,149.11-2,170,802.31

Finding the Fourth Proportional to 3,889,571.09, 5,368,149.11 and 2,170,802.31

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Solution

The fourth proportional to 3,889,571.09, 5,368,149.11 and 2,170,802.31 is: 2,996,009.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,571.09 : 5,368,149.11 = 2,170,802.31 : x
  2. Step 2: Convert to fraction form
    3,889,571.09/5,368,149.11 = 2,170,802.31/x
  3. Step 3: Cross multiply
    3,889,571.09x = 5,368,149.11 × 2,170,802.31
  4. Step 4: Simplify right side
    3,889,571.09x = 11,653,190,488,412.45
  5. Step 5: Solve for x
    x = 11,653,190,488,412.45/3,889,571.09
  6. Step 6: Final answer
    x = 2,996,009.13

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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.