Home / 2,815,435.08-4,222,725.91-766,255.31

Finding the Fourth Proportional to 2,815,435.08, 4,222,725.91 and 766,255.31

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Solution

The fourth proportional to 2,815,435.08, 4,222,725.91 and 766,255.31 is: 1,149,266.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815,435.08 : 4,222,725.91 = 766,255.31 : x
  2. Step 2: Convert to fraction form
    2,815,435.08/4,222,725.91 = 766,255.31/x
  3. Step 3: Cross multiply
    2,815,435.08x = 4,222,725.91 × 766,255.31
  4. Step 4: Simplify right side
    2,815,435.08x = 3,235,686,166,089.49
  5. Step 5: Solve for x
    x = 3,235,686,166,089.49/2,815,435.08
  6. Step 6: Final answer
    x = 1,149,266.84

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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.