Home / 5,374,778.72-7,422,123.75-3,415,302.59

Finding the Fourth Proportional to 5,374,778.72, 7,422,123.75 and 3,415,302.59

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Solution

The fourth proportional to 5,374,778.72, 7,422,123.75 and 3,415,302.59 is: 4,716,249.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374,778.72 : 7,422,123.75 = 3,415,302.59 : x
  2. Step 2: Convert to fraction form
    5,374,778.72/7,422,123.75 = 3,415,302.59/x
  3. Step 3: Cross multiply
    5,374,778.72x = 7,422,123.75 × 3,415,302.59
  4. Step 4: Simplify right side
    5,374,778.72x = 25,348,798,412,488.38
  5. Step 5: Solve for x
    x = 25,348,798,412,488.38/5,374,778.72
  6. Step 6: Final answer
    x = 4,716,249.68

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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.