Home / 4,751,996.40-7,129,744.20-1,914,145.20

Finding the Fourth Proportional to 4,751,996.40, 7,129,744.20 and 1,914,145.20

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Solution

The fourth proportional to 4,751,996.40, 7,129,744.20 and 1,914,145.20 is: 2,871,922.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751,996.40 : 7,129,744.20 = 1,914,145.20 : x
  2. Step 2: Convert to fraction form
    4,751,996.40/7,129,744.20 = 1,914,145.20/x
  3. Step 3: Cross multiply
    4,751,996.40x = 7,129,744.20 × 1,914,145.20
  4. Step 4: Simplify right side
    4,751,996.40x = 13,647,365,637,657.84
  5. Step 5: Solve for x
    x = 13,647,365,637,657.84/4,751,996.40
  6. Step 6: Final answer
    x = 2,871,922.55

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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.