Home / 2,557,921.51-3,529,807.57-1,455,249.07

Finding the Fourth Proportional to 2,557,921.51, 3,529,807.57 and 1,455,249.07

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Solution

The fourth proportional to 2,557,921.51, 3,529,807.57 and 1,455,249.07 is: 2,008,173.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557,921.51 : 3,529,807.57 = 1,455,249.07 : x
  2. Step 2: Convert to fraction form
    2,557,921.51/3,529,807.57 = 1,455,249.07/x
  3. Step 3: Cross multiply
    2,557,921.51x = 3,529,807.57 × 1,455,249.07
  4. Step 4: Simplify right side
    2,557,921.51x = 5,136,749,189,752.78
  5. Step 5: Solve for x
    x = 5,136,749,189,752.78/2,557,921.51
  6. Step 6: Final answer
    x = 2,008,173.11

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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.