Home / 1,933,893.72-2,666,621.88-1,322,146.08

Finding the Fourth Proportional to 1,933,893.72, 2,666,621.88 and 1,322,146.08

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Solution

The fourth proportional to 1,933,893.72, 2,666,621.88 and 1,322,146.08 is: 1,823,090.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933,893.72 : 2,666,621.88 = 1,322,146.08 : x
  2. Step 2: Convert to fraction form
    1,933,893.72/2,666,621.88 = 1,322,146.08/x
  3. Step 3: Cross multiply
    1,933,893.72x = 2,666,621.88 × 1,322,146.08
  4. Step 4: Simplify right side
    1,933,893.72x = 3,525,663,665,484.23
  5. Step 5: Solve for x
    x = 3,525,663,665,484.23/1,933,893.72
  6. Step 6: Final answer
    x = 1,823,090.71

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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.