Home / 2,101,975.84-2,899,687.44-1,242,120.16

Finding the Fourth Proportional to 2,101,975.84, 2,899,687.44 and 1,242,120.16

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Solution

The fourth proportional to 2,101,975.84, 2,899,687.44 and 1,242,120.16 is: 1,713,511.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101,975.84 : 2,899,687.44 = 1,242,120.16 : x
  2. Step 2: Convert to fraction form
    2,101,975.84/2,899,687.44 = 1,242,120.16/x
  3. Step 3: Cross multiply
    2,101,975.84x = 2,899,687.44 × 1,242,120.16
  4. Step 4: Simplify right side
    2,101,975.84x = 3,601,760,226,922.79
  5. Step 5: Solve for x
    x = 3,601,760,226,922.79/2,101,975.84
  6. Step 6: Final answer
    x = 1,713,511.72

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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.