Home / 2,929,684.38-4,394,643.21-908,138.22

Finding the Fourth Proportional to 2,929,684.38, 4,394,643.21 and 908,138.22

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Solution

The fourth proportional to 2,929,684.38, 4,394,643.21 and 908,138.22 is: 1,362,243.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929,684.38 : 4,394,643.21 = 908,138.22 : x
  2. Step 2: Convert to fraction form
    2,929,684.38/4,394,643.21 = 908,138.22/x
  3. Step 3: Cross multiply
    2,929,684.38x = 4,394,643.21 × 908,138.22
  4. Step 4: Simplify right side
    2,929,684.38x = 3,990,943,462,264.49
  5. Step 5: Solve for x
    x = 3,990,943,462,264.49/2,929,684.38
  6. Step 6: Final answer
    x = 1,362,243.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.