Home / 3,866,216.61-5,335,231.37-2,147,447.37

Finding the Fourth Proportional to 3,866,216.61, 5,335,231.37 and 2,147,447.37

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Solution

The fourth proportional to 3,866,216.61, 5,335,231.37 and 2,147,447.37 is: 2,963,395.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,866,216.61 : 5,335,231.37 = 2,147,447.37 : x
  2. Step 2: Convert to fraction form
    3,866,216.61/5,335,231.37 = 2,147,447.37/x
  3. Step 3: Cross multiply
    3,866,216.61x = 5,335,231.37 × 2,147,447.37
  4. Step 4: Simplify right side
    3,866,216.61x = 11,457,128,573,848.00
  5. Step 5: Solve for x
    x = 11,457,128,573,848.00/3,866,216.61
  6. Step 6: Final answer
    x = 2,963,395.41

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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.