Home / 2,810,664.20-4,215,365.31-1,292,889.44

Finding the Fourth Proportional to 2,810,664.20, 4,215,365.31 and 1,292,889.44

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Solution

The fourth proportional to 2,810,664.20, 4,215,365.31 and 1,292,889.44 is: 1,939,043.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,664.20 : 4,215,365.31 = 1,292,889.44 : x
  2. Step 2: Convert to fraction form
    2,810,664.20/4,215,365.31 = 1,292,889.44/x
  3. Step 3: Cross multiply
    2,810,664.20x = 4,215,365.31 × 1,292,889.44
  4. Step 4: Simplify right side
    2,810,664.20x = 5,450,001,295,041.33
  5. Step 5: Solve for x
    x = 5,450,001,295,041.33/2,810,664.20
  6. Step 6: Final answer
    x = 1,939,043.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.