Home / 2,815,603.07-3,888,739.83-1,908,610.43

Finding the Fourth Proportional to 2,815,603.07, 3,888,739.83 and 1,908,610.43

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Solution

The fourth proportional to 2,815,603.07, 3,888,739.83 and 1,908,610.43 is: 2,636,056.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815,603.07 : 3,888,739.83 = 1,908,610.43 : x
  2. Step 2: Convert to fraction form
    2,815,603.07/3,888,739.83 = 1,908,610.43/x
  3. Step 3: Cross multiply
    2,815,603.07x = 3,888,739.83 × 1,908,610.43
  4. Step 4: Simplify right side
    2,815,603.07x = 7,422,089,370,107.68
  5. Step 5: Solve for x
    x = 7,422,089,370,107.68/2,815,603.07
  6. Step 6: Final answer
    x = 2,636,056.72

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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.