Home / 3,440,672.22-4,747,858.71-1,912,686.30

Finding the Fourth Proportional to 3,440,672.22, 4,747,858.71 and 1,912,686.30

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Solution

The fourth proportional to 3,440,672.22, 4,747,858.71 and 1,912,686.30 is: 2,639,357.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440,672.22 : 4,747,858.71 = 1,912,686.30 : x
  2. Step 2: Convert to fraction form
    3,440,672.22/4,747,858.71 = 1,912,686.30/x
  3. Step 3: Cross multiply
    3,440,672.22x = 4,747,858.71 × 1,912,686.30
  4. Step 4: Simplify right side
    3,440,672.22x = 9,081,164,308,952.67
  5. Step 5: Solve for x
    x = 9,081,164,308,952.67/3,440,672.22
  6. Step 6: Final answer
    x = 2,639,357.58

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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.