Home / 1,821,280.55-2,513,327.20-994,325.83

Finding the Fourth Proportional to 1,821,280.55, 2,513,327.20 and 994,325.83

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Solution

The fourth proportional to 1,821,280.55, 2,513,327.20 and 994,325.83 is: 1,372,147.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,280.55 : 2,513,327.20 = 994,325.83 : x
  2. Step 2: Convert to fraction form
    1,821,280.55/2,513,327.20 = 994,325.83/x
  3. Step 3: Cross multiply
    1,821,280.55x = 2,513,327.20 × 994,325.83
  4. Step 4: Simplify right side
    1,821,280.55x = 2,499,066,145,432.44
  5. Step 5: Solve for x
    x = 2,499,066,145,432.44/1,821,280.55
  6. Step 6: Final answer
    x = 1,372,147.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.