Home / 2,739,339.81-3,780,239.09-1,515,645.27

Finding the Fourth Proportional to 2,739,339.81, 3,780,239.09 and 1,515,645.27

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Solution

The fourth proportional to 2,739,339.81, 3,780,239.09 and 1,515,645.27 is: 2,091,562.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739,339.81 : 3,780,239.09 = 1,515,645.27 : x
  2. Step 2: Convert to fraction form
    2,739,339.81/3,780,239.09 = 1,515,645.27/x
  3. Step 3: Cross multiply
    2,739,339.81x = 3,780,239.09 × 1,515,645.27
  4. Step 4: Simplify right side
    2,739,339.81x = 5,729,501,488,649.38
  5. Step 5: Solve for x
    x = 5,729,501,488,649.38/2,739,339.81
  6. Step 6: Final answer
    x = 2,091,562.89

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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.