Home / 3,106,012.20-4,661,642.70-1,214,111.40

Finding the Fourth Proportional to 3,106,012.20, 4,661,642.70 and 1,214,111.40

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Solution

The fourth proportional to 3,106,012.20, 4,661,642.70 and 1,214,111.40 is: 1,822,192.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106,012.20 : 4,661,642.70 = 1,214,111.40 : x
  2. Step 2: Convert to fraction form
    3,106,012.20/4,661,642.70 = 1,214,111.40/x
  3. Step 3: Cross multiply
    3,106,012.20x = 4,661,642.70 × 1,214,111.40
  4. Step 4: Simplify right side
    3,106,012.20x = 5,659,753,544,796.78
  5. Step 5: Solve for x
    x = 5,659,753,544,796.78/3,106,012.20
  6. Step 6: Final answer
    x = 1,822,192.95

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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.