Home / 2,857,090.32-3,942,770.99-1,550,342.03

Finding the Fourth Proportional to 2,857,090.32, 3,942,770.99 and 1,550,342.03

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Solution

The fourth proportional to 2,857,090.32, 3,942,770.99 and 1,550,342.03 is: 2,139,464.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857,090.32 : 3,942,770.99 = 1,550,342.03 : x
  2. Step 2: Convert to fraction form
    2,857,090.32/3,942,770.99 = 1,550,342.03/x
  3. Step 3: Cross multiply
    2,857,090.32x = 3,942,770.99 × 1,550,342.03
  4. Step 4: Simplify right side
    2,857,090.32x = 6,112,643,552,996.15
  5. Step 5: Solve for x
    x = 6,112,643,552,996.15/2,857,090.32
  6. Step 6: Final answer
    x = 2,139,464.58

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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.