Home / 2,802,058.32-4,203,198.24-780,478.96

Finding the Fourth Proportional to 2,802,058.32, 4,203,198.24 and 780,478.96

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Solution

The fourth proportional to 2,802,058.32, 4,203,198.24 and 780,478.96 is: 1,170,749.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802,058.32 : 4,203,198.24 = 780,478.96 : x
  2. Step 2: Convert to fraction form
    2,802,058.32/4,203,198.24 = 780,478.96/x
  3. Step 3: Cross multiply
    2,802,058.32x = 4,203,198.24 × 780,478.96
  4. Step 4: Simplify right side
    2,802,058.32x = 3,280,507,791,029.03
  5. Step 5: Solve for x
    x = 3,280,507,791,029.03/2,802,058.32
  6. Step 6: Final answer
    x = 1,170,749.29

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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.