Home / 2,147,087.25-2,962,986.56-1,229,330.47

Finding the Fourth Proportional to 2,147,087.25, 2,962,986.56 and 1,229,330.47

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Solution

The fourth proportional to 2,147,087.25, 2,962,986.56 and 1,229,330.47 is: 1,696,479.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,087.25 : 2,962,986.56 = 1,229,330.47 : x
  2. Step 2: Convert to fraction form
    2,147,087.25/2,962,986.56 = 1,229,330.47/x
  3. Step 3: Cross multiply
    2,147,087.25x = 2,962,986.56 × 1,229,330.47
  4. Step 4: Simplify right side
    2,147,087.25x = 3,642,489,653,562.46
  5. Step 5: Solve for x
    x = 3,642,489,653,562.46/2,147,087.25
  6. Step 6: Final answer
    x = 1,696,479.57

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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.