Home / 4,774,786.20-7,159,716.90-1,408,555.80

Finding the Fourth Proportional to 4,774,786.20, 7,159,716.90 and 1,408,555.80

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Solution

The fourth proportional to 4,774,786.20, 7,159,716.90 and 1,408,555.80 is: 2,112,107.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,774,786.20 : 7,159,716.90 = 1,408,555.80 : x
  2. Step 2: Convert to fraction form
    4,774,786.20/7,159,716.90 = 1,408,555.80/x
  3. Step 3: Cross multiply
    4,774,786.20x = 7,159,716.90 × 1,408,555.80
  4. Step 4: Simplify right side
    4,774,786.20x = 10,084,860,765,853.02
  5. Step 5: Solve for x
    x = 10,084,860,765,853.02/4,774,786.20
  6. Step 6: Final answer
    x = 2,112,107.30

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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.