Home / 4,779,781.82-7,172,662.14-1,939,893.97

Finding the Fourth Proportional to 4,779,781.82, 7,172,662.14 and 1,939,893.97

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Solution

The fourth proportional to 4,779,781.82, 7,172,662.14 and 1,939,893.97 is: 2,911,054.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779,781.82 : 7,172,662.14 = 1,939,893.97 : x
  2. Step 2: Convert to fraction form
    4,779,781.82/7,172,662.14 = 1,939,893.97/x
  3. Step 3: Cross multiply
    4,779,781.82x = 7,172,662.14 × 1,939,893.97
  4. Step 4: Simplify right side
    4,779,781.82x = 13,914,203,998,369.98
  5. Step 5: Solve for x
    x = 13,914,203,998,369.98/4,779,781.82
  6. Step 6: Final answer
    x = 2,911,054.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.