Home / 5,383,991.20-8,075,986.80-3,470,803.60

Finding the Fourth Proportional to 5,383,991.20, 8,075,986.80 and 3,470,803.60

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Solution

The fourth proportional to 5,383,991.20, 8,075,986.80 and 3,470,803.60 is: 5,206,205.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383,991.20 : 8,075,986.80 = 3,470,803.60 : x
  2. Step 2: Convert to fraction form
    5,383,991.20/8,075,986.80 = 3,470,803.60/x
  3. Step 3: Cross multiply
    5,383,991.20x = 8,075,986.80 × 3,470,803.60
  4. Step 4: Simplify right side
    5,383,991.20x = 28,030,164,058,992.48
  5. Step 5: Solve for x
    x = 28,030,164,058,992.48/5,383,991.20
  6. Step 6: Final answer
    x = 5,206,205.40

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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.