Home / 2,775,107.20-4,162,660.80-1,636,700.80

Finding the Fourth Proportional to 2,775,107.20, 4,162,660.80 and 1,636,700.80

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Solution

The fourth proportional to 2,775,107.20, 4,162,660.80 and 1,636,700.80 is: 2,455,051.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775,107.20 : 4,162,660.80 = 1,636,700.80 : x
  2. Step 2: Convert to fraction form
    2,775,107.20/4,162,660.80 = 1,636,700.80/x
  3. Step 3: Cross multiply
    2,775,107.20x = 4,162,660.80 × 1,636,700.80
  4. Step 4: Simplify right side
    2,775,107.20x = 6,813,030,261,488.64
  5. Step 5: Solve for x
    x = 6,813,030,261,488.64/2,775,107.20
  6. Step 6: Final answer
    x = 2,455,051.20

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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.