Home / 2,142,841.44-2,959,112.88-1,380,205.92

Finding the Fourth Proportional to 2,142,841.44, 2,959,112.88 and 1,380,205.92

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Solution

The fourth proportional to 2,142,841.44, 2,959,112.88 and 1,380,205.92 is: 1,905,967.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,841.44 : 2,959,112.88 = 1,380,205.92 : x
  2. Step 2: Convert to fraction form
    2,142,841.44/2,959,112.88 = 1,380,205.92/x
  3. Step 3: Cross multiply
    2,142,841.44x = 2,959,112.88 × 1,380,205.92
  4. Step 4: Simplify right side
    2,142,841.44x = 4,084,185,114,924.25
  5. Step 5: Solve for x
    x = 4,084,185,114,924.25/2,142,841.44
  6. Step 6: Final answer
    x = 1,905,967.02

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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.