Home / 3,430,976.39-4,734,732.25-1,960,860.41

Finding the Fourth Proportional to 3,430,976.39, 4,734,732.25 and 1,960,860.41

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Solution

The fourth proportional to 3,430,976.39, 4,734,732.25 and 1,960,860.41 is: 2,705,978.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430,976.39 : 4,734,732.25 = 1,960,860.41 : x
  2. Step 2: Convert to fraction form
    3,430,976.39/4,734,732.25 = 1,960,860.41/x
  3. Step 3: Cross multiply
    3,430,976.39x = 4,734,732.25 × 1,960,860.41
  4. Step 4: Simplify right side
    3,430,976.39x = 9,284,149,020,975.22
  5. Step 5: Solve for x
    x = 9,284,149,020,975.22/3,430,976.39
  6. Step 6: Final answer
    x = 2,705,978.70

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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.