Home / 5,181,667.73-7,779,236.87-3,984,430.80

Finding the Fourth Proportional to 5,181,667.73, 7,779,236.87 and 3,984,430.80

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Solution

The fourth proportional to 5,181,667.73, 7,779,236.87 and 3,984,430.80 is: 5,981,825.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181,667.73 : 7,779,236.87 = 3,984,430.80 : x
  2. Step 2: Convert to fraction form
    5,181,667.73/7,779,236.87 = 3,984,430.80/x
  3. Step 3: Cross multiply
    5,181,667.73x = 7,779,236.87 × 3,984,430.80
  4. Step 4: Simplify right side
    5,181,667.73x = 30,995,830,965,401.44
  5. Step 5: Solve for x
    x = 30,995,830,965,401.44/5,181,667.73
  6. Step 6: Final answer
    x = 5,981,825.28

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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.