Home / 3,178,300.10-4,766,939.44-872,254.45

Finding the Fourth Proportional to 3,178,300.10, 4,766,939.44 and 872,254.45

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Solution

The fourth proportional to 3,178,300.10, 4,766,939.44 and 872,254.45 is: 1,308,241.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,300.10 : 4,766,939.44 = 872,254.45 : x
  2. Step 2: Convert to fraction form
    3,178,300.10/4,766,939.44 = 872,254.45/x
  3. Step 3: Cross multiply
    3,178,300.10x = 4,766,939.44 × 872,254.45
  4. Step 4: Simplify right side
    3,178,300.10x = 4,157,984,143,198.55
  5. Step 5: Solve for x
    x = 4,157,984,143,198.55/3,178,300.10
  6. Step 6: Final answer
    x = 1,308,241.52

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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.