Home / 3,005,208.80-4,147,180.24-1,628,590.60

Finding the Fourth Proportional to 3,005,208.80, 4,147,180.24 and 1,628,590.60

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Solution

The fourth proportional to 3,005,208.80, 4,147,180.24 and 1,628,590.60 is: 2,247,450.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005,208.80 : 4,147,180.24 = 1,628,590.60 : x
  2. Step 2: Convert to fraction form
    3,005,208.80/4,147,180.24 = 1,628,590.60/x
  3. Step 3: Cross multiply
    3,005,208.80x = 4,147,180.24 × 1,628,590.60
  4. Step 4: Simplify right side
    3,005,208.80x = 6,754,058,755,369.75
  5. Step 5: Solve for x
    x = 6,754,058,755,369.75/3,005,208.80
  6. Step 6: Final answer
    x = 2,247,450.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.