Home / 1,980,282.41-2,732,321.40-1,120,842.71

Finding the Fourth Proportional to 1,980,282.41, 2,732,321.40 and 1,120,842.71

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Solution

The fourth proportional to 1,980,282.41, 2,732,321.40 and 1,120,842.71 is: 1,546,497.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,282.41 : 2,732,321.40 = 1,120,842.71 : x
  2. Step 2: Convert to fraction form
    1,980,282.41/2,732,321.40 = 1,120,842.71/x
  3. Step 3: Cross multiply
    1,980,282.41x = 2,732,321.40 × 1,120,842.71
  4. Step 4: Simplify right side
    1,980,282.41x = 3,062,502,522,566.99
  5. Step 5: Solve for x
    x = 3,062,502,522,566.99/1,980,282.41
  6. Step 6: Final answer
    x = 1,546,497.87

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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.