Home / 2,109,237.81-2,910,733.68-1,142,345.97

Finding the Fourth Proportional to 2,109,237.81, 2,910,733.68 and 1,142,345.97

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Solution

The fourth proportional to 2,109,237.81, 2,910,733.68 and 1,142,345.97 is: 1,576,429.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,237.81 : 2,910,733.68 = 1,142,345.97 : x
  2. Step 2: Convert to fraction form
    2,109,237.81/2,910,733.68 = 1,142,345.97/x
  3. Step 3: Cross multiply
    2,109,237.81x = 2,910,733.68 × 1,142,345.97
  4. Step 4: Simplify right side
    2,109,237.81x = 3,325,064,893,375.07
  5. Step 5: Solve for x
    x = 3,325,064,893,375.07/2,109,237.81
  6. Step 6: Final answer
    x = 1,576,429.59

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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.