Home / 2,686,107.12-4,029,318.60-766,870.80

Finding the Fourth Proportional to 2,686,107.12, 4,029,318.60 and 766,870.80

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Solution

The fourth proportional to 2,686,107.12, 4,029,318.60 and 766,870.80 is: 1,150,351.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686,107.12 : 4,029,318.60 = 766,870.80 : x
  2. Step 2: Convert to fraction form
    2,686,107.12/4,029,318.60 = 766,870.80/x
  3. Step 3: Cross multiply
    2,686,107.12x = 4,029,318.60 × 766,870.80
  4. Step 4: Simplify right side
    2,686,107.12x = 3,089,966,778,236.88
  5. Step 5: Solve for x
    x = 3,089,966,778,236.88/2,686,107.12
  6. Step 6: Final answer
    x = 1,150,351.29

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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.