Home / 2,685,671.12-4,028,640.54-766,866.92

Finding the Fourth Proportional to 2,685,671.12, 4,028,640.54 and 766,866.92

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Solution

The fourth proportional to 2,685,671.12, 4,028,640.54 and 766,866.92 is: 1,150,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685,671.12 : 4,028,640.54 = 766,866.92 : x
  2. Step 2: Convert to fraction form
    2,685,671.12/4,028,640.54 = 766,866.92/x
  3. Step 3: Cross multiply
    2,685,671.12x = 4,028,640.54 × 766,866.92
  4. Step 4: Simplify right side
    2,685,671.12x = 3,089,431,162,696.94
  5. Step 5: Solve for x
    x = 3,089,431,162,696.94/2,685,671.12
  6. Step 6: Final answer
    x = 1,150,338.60

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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.