Home / 2,072,764.94-3,106,788.93-1,261,359.77

Finding the Fourth Proportional to 2,072,764.94, 3,106,788.93 and 1,261,359.77

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Solution

The fourth proportional to 2,072,764.94, 3,106,788.93 and 1,261,359.77 is: 1,890,604.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072,764.94 : 3,106,788.93 = 1,261,359.77 : x
  2. Step 2: Convert to fraction form
    2,072,764.94/3,106,788.93 = 1,261,359.77/x
  3. Step 3: Cross multiply
    2,072,764.94x = 3,106,788.93 × 1,261,359.77
  4. Step 4: Simplify right side
    2,072,764.94x = 3,918,778,554,649.40
  5. Step 5: Solve for x
    x = 3,918,778,554,649.40/2,072,764.94
  6. Step 6: Final answer
    x = 1,890,604.42

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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.