Home / 3,900,712.80-5,848,736.40-2,011,144.80

Finding the Fourth Proportional to 3,900,712.80, 5,848,736.40 and 2,011,144.80

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Solution

The fourth proportional to 3,900,712.80, 5,848,736.40 and 2,011,144.80 is: 3,015,514.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900,712.80 : 5,848,736.40 = 2,011,144.80 : x
  2. Step 2: Convert to fraction form
    3,900,712.80/5,848,736.40 = 2,011,144.80/x
  3. Step 3: Cross multiply
    3,900,712.80x = 5,848,736.40 × 2,011,144.80
  4. Step 4: Simplify right side
    3,900,712.80x = 11,762,655,797,430.72
  5. Step 5: Solve for x
    x = 11,762,655,797,430.72/3,900,712.80
  6. Step 6: Final answer
    x = 3,015,514.45

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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.