Home / 2,183,628.80-3,275,443.20-763,828.40

Finding the Fourth Proportional to 2,183,628.80, 3,275,443.20 and 763,828.40

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Solution

The fourth proportional to 2,183,628.80, 3,275,443.20 and 763,828.40 is: 1,145,742.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183,628.80 : 3,275,443.20 = 763,828.40 : x
  2. Step 2: Convert to fraction form
    2,183,628.80/3,275,443.20 = 763,828.40/x
  3. Step 3: Cross multiply
    2,183,628.80x = 3,275,443.20 × 763,828.40
  4. Step 4: Simplify right side
    2,183,628.80x = 2,501,876,538,746.88
  5. Step 5: Solve for x
    x = 2,501,876,538,746.88/2,183,628.80
  6. Step 6: Final answer
    x = 1,145,742.60

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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.