Home / 1,221,336.20-1,832,004.30-1,097,333.30

Finding the Fourth Proportional to 1,221,336.20, 1,832,004.30 and 1,097,333.30

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Solution

The fourth proportional to 1,221,336.20, 1,832,004.30 and 1,097,333.30 is: 1,645,999.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,336.20 : 1,832,004.30 = 1,097,333.30 : x
  2. Step 2: Convert to fraction form
    1,221,336.20/1,832,004.30 = 1,097,333.30/x
  3. Step 3: Cross multiply
    1,221,336.20x = 1,832,004.30 × 1,097,333.30
  4. Step 4: Simplify right side
    1,221,336.20x = 2,010,319,324,133.19
  5. Step 5: Solve for x
    x = 2,010,319,324,133.19/1,221,336.20
  6. Step 6: Final answer
    x = 1,645,999.95

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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.