Home / 2,255,239.12-3,109,219.24-1,791,631.26

Finding the Fourth Proportional to 2,255,239.12, 3,109,219.24 and 1,791,631.26

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Solution

The fourth proportional to 2,255,239.12, 3,109,219.24 and 1,791,631.26 is: 2,470,059.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255,239.12 : 3,109,219.24 = 1,791,631.26 : x
  2. Step 2: Convert to fraction form
    2,255,239.12/3,109,219.24 = 1,791,631.26/x
  3. Step 3: Cross multiply
    2,255,239.12x = 3,109,219.24 × 1,791,631.26
  4. Step 4: Simplify right side
    2,255,239.12x = 5,570,574,384,577.44
  5. Step 5: Solve for x
    x = 5,570,574,384,577.44/2,255,239.12
  6. Step 6: Final answer
    x = 2,470,059.31

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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.