Home / 5,177,999.90-7,766,999.85-3,485,942.30

Finding the Fourth Proportional to 5,177,999.90, 7,766,999.85 and 3,485,942.30

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Solution

The fourth proportional to 5,177,999.90, 7,766,999.85 and 3,485,942.30 is: 5,228,913.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177,999.90 : 7,766,999.85 = 3,485,942.30 : x
  2. Step 2: Convert to fraction form
    5,177,999.90/7,766,999.85 = 3,485,942.30/x
  3. Step 3: Cross multiply
    5,177,999.90x = 7,766,999.85 × 3,485,942.30
  4. Step 4: Simplify right side
    5,177,999.90x = 27,075,313,321,208.65
  5. Step 5: Solve for x
    x = 27,075,313,321,208.65/5,177,999.90
  6. Step 6: Final answer
    x = 5,228,913.45

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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.