Home / 3,562,068.12-5,339,930.92-1,287,085.12

Finding the Fourth Proportional to 3,562,068.12, 5,339,930.92 and 1,287,085.12

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Solution

The fourth proportional to 3,562,068.12, 5,339,930.92 and 1,287,085.12 is: 1,929,481.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,562,068.12 : 5,339,930.92 = 1,287,085.12 : x
  2. Step 2: Convert to fraction form
    3,562,068.12/5,339,930.92 = 1,287,085.12/x
  3. Step 3: Cross multiply
    3,562,068.12x = 5,339,930.92 × 1,287,085.12
  4. Step 4: Simplify right side
    3,562,068.12x = 6,872,945,628,959.91
  5. Step 5: Solve for x
    x = 6,872,945,628,959.91/3,562,068.12
  6. Step 6: Final answer
    x = 1,929,481.81

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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.