Home / 4,078,272.82-6,117,409.68-1,941,880

Finding the Fourth Proportional to 4,078,272.82, 6,117,409.68 and 1,941,880

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Solution

The fourth proportional to 4,078,272.82, 6,117,409.68 and 1,941,880 is: 2,912,820.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078,272.82 : 6,117,409.68 = 1,941,880 : x
  2. Step 2: Convert to fraction form
    4,078,272.82/6,117,409.68 = 1,941,880/x
  3. Step 3: Cross multiply
    4,078,272.82x = 6,117,409.68 × 1,941,880
  4. Step 4: Simplify right side
    4,078,272.82x = 11,879,275,509,398.40
  5. Step 5: Solve for x
    x = 11,879,275,509,398.40/4,078,272.82
  6. Step 6: Final answer
    x = 2,912,820.21

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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.