Home / 5,177,998.40-7,766,997.60-3,485,940.80

Finding the Fourth Proportional to 5,177,998.40, 7,766,997.60 and 3,485,940.80

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Solution

The fourth proportional to 5,177,998.40, 7,766,997.60 and 3,485,940.80 is: 5,228,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177,998.40 : 7,766,997.60 = 3,485,940.80 : x
  2. Step 2: Convert to fraction form
    5,177,998.40/7,766,997.60 = 3,485,940.80/x
  3. Step 3: Cross multiply
    5,177,998.40x = 7,766,997.60 × 3,485,940.80
  4. Step 4: Simplify right side
    5,177,998.40x = 27,075,293,827,342.08
  5. Step 5: Solve for x
    x = 27,075,293,827,342.08/5,177,998.40
  6. Step 6: Final answer
    x = 5,228,911.20

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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.