Home / 5,718,477.21-7,891,636.37-3,105,092.40

Finding the Fourth Proportional to 5,718,477.21, 7,891,636.37 and 3,105,092.40

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Solution

The fourth proportional to 5,718,477.21, 7,891,636.37 and 3,105,092.40 is: 4,285,102.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718,477.21 : 7,891,636.37 = 3,105,092.40 : x
  2. Step 2: Convert to fraction form
    5,718,477.21/7,891,636.37 = 3,105,092.40/x
  3. Step 3: Cross multiply
    5,718,477.21x = 7,891,636.37 × 3,105,092.40
  4. Step 4: Simplify right side
    5,718,477.21x = 24,504,260,116,050.59
  5. Step 5: Solve for x
    x = 24,504,260,116,050.59/5,718,477.21
  6. Step 6: Final answer
    x = 4,285,102.35

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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.