Home / 2,316,112.78-3,196,235.94-1,283,687.22

Finding the Fourth Proportional to 2,316,112.78, 3,196,235.94 and 1,283,687.22

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Solution

The fourth proportional to 2,316,112.78, 3,196,235.94 and 1,283,687.22 is: 1,771,488.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316,112.78 : 3,196,235.94 = 1,283,687.22 : x
  2. Step 2: Convert to fraction form
    2,316,112.78/3,196,235.94 = 1,283,687.22/x
  3. Step 3: Cross multiply
    2,316,112.78x = 3,196,235.94 × 1,283,687.22
  4. Step 4: Simplify right side
    2,316,112.78x = 4,102,967,228,282.69
  5. Step 5: Solve for x
    x = 4,102,967,228,282.69/2,316,112.78
  6. Step 6: Final answer
    x = 1,771,488.53

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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.