Home / 1,980,213.47-2,732,226.19-1,120,773.73

Finding the Fourth Proportional to 1,980,213.47, 2,732,226.19 and 1,120,773.73

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Solution

The fourth proportional to 1,980,213.47, 2,732,226.19 and 1,120,773.73 is: 1,546,402.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,213.47 : 2,732,226.19 = 1,120,773.73 : x
  2. Step 2: Convert to fraction form
    1,980,213.47/2,732,226.19 = 1,120,773.73/x
  3. Step 3: Cross multiply
    1,980,213.47x = 2,732,226.19 × 1,120,773.73
  4. Step 4: Simplify right side
    1,980,213.47x = 3,062,207,330,002.82
  5. Step 5: Solve for x
    x = 3,062,207,330,002.82/1,980,213.47
  6. Step 6: Final answer
    x = 1,546,402.64

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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.