Home / 3,180,054.60-4,388,076.09-2,149,803.54

Finding the Fourth Proportional to 3,180,054.60, 4,388,076.09 and 2,149,803.54

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Solution

The fourth proportional to 3,180,054.60, 4,388,076.09 and 2,149,803.54 is: 2,966,458.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180,054.60 : 4,388,076.09 = 2,149,803.54 : x
  2. Step 2: Convert to fraction form
    3,180,054.60/4,388,076.09 = 2,149,803.54/x
  3. Step 3: Cross multiply
    3,180,054.60x = 4,388,076.09 × 2,149,803.54
  4. Step 4: Simplify right side
    3,180,054.60x = 9,433,501,512,071.36
  5. Step 5: Solve for x
    x = 9,433,501,512,071.36/3,180,054.60
  6. Step 6: Final answer
    x = 2,966,458.98

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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.