Home / 3,199,300.65-4,415,087.39-1,910,253.69

Finding the Fourth Proportional to 3,199,300.65, 4,415,087.39 and 1,910,253.69

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Solution

The fourth proportional to 3,199,300.65, 4,415,087.39 and 1,910,253.69 is: 2,636,181.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199,300.65 : 4,415,087.39 = 1,910,253.69 : x
  2. Step 2: Convert to fraction form
    3,199,300.65/4,415,087.39 = 1,910,253.69/x
  3. Step 3: Cross multiply
    3,199,300.65x = 4,415,087.39 × 1,910,253.69
  4. Step 4: Simplify right side
    3,199,300.65x = 8,433,936,968,868.70
  5. Step 5: Solve for x
    x = 8,433,936,968,868.70/3,199,300.65
  6. Step 6: Final answer
    x = 2,636,181.43

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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.