Home / 2,775,108.80-4,162,663.20-1,779,780.80

Finding the Fourth Proportional to 2,775,108.80, 4,162,663.20 and 1,779,780.80

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Solution

The fourth proportional to 2,775,108.80, 4,162,663.20 and 1,779,780.80 is: 2,669,671.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775,108.80 : 4,162,663.20 = 1,779,780.80 : x
  2. Step 2: Convert to fraction form
    2,775,108.80/4,162,663.20 = 1,779,780.80/x
  3. Step 3: Cross multiply
    2,775,108.80x = 4,162,663.20 × 1,779,780.80
  4. Step 4: Simplify right side
    2,775,108.80x = 7,408,628,040,226.56
  5. Step 5: Solve for x
    x = 7,408,628,040,226.56/2,775,108.80
  6. Step 6: Final answer
    x = 2,669,671.20

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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.