Home / 1,639,694.31-2,454,496.91-1,069,848.39

Finding the Fourth Proportional to 1,639,694.31, 2,454,496.91 and 1,069,848.39

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Solution

The fourth proportional to 1,639,694.31, 2,454,496.91 and 1,069,848.39 is: 1,601,481.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,694.31 : 2,454,496.91 = 1,069,848.39 : x
  2. Step 2: Convert to fraction form
    1,639,694.31/2,454,496.91 = 1,069,848.39/x
  3. Step 3: Cross multiply
    1,639,694.31x = 2,454,496.91 × 1,069,848.39
  4. Step 4: Simplify right side
    1,639,694.31x = 2,625,939,567,501.88
  5. Step 5: Solve for x
    x = 2,625,939,567,501.88/1,639,694.31
  6. Step 6: Final answer
    x = 1,601,481.18

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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.