Home / 2,261,553.40-3,120,907.48-1,242,936.28

Finding the Fourth Proportional to 2,261,553.40, 3,120,907.48 and 1,242,936.28

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Solution

The fourth proportional to 2,261,553.40, 3,120,907.48 and 1,242,936.28 is: 1,715,232.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261,553.40 : 3,120,907.48 = 1,242,936.28 : x
  2. Step 2: Convert to fraction form
    2,261,553.40/3,120,907.48 = 1,242,936.28/x
  3. Step 3: Cross multiply
    2,261,553.40x = 3,120,907.48 × 1,242,936.28
  4. Step 4: Simplify right side
    2,261,553.40x = 3,879,089,133,415.37
  5. Step 5: Solve for x
    x = 3,879,089,133,415.37/2,261,553.40
  6. Step 6: Final answer
    x = 1,715,232.16

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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.