Finding the Fourth Proportional to 3,689,958.08, 5,092,268.58 and 2,141,103.08
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Solution
The fourth proportional to 3,689,958.08, 5,092,268.58 and 2,141,103.08 is: 2,954,795.61
Step by Step Solution
- Step 1: Write the proportion equation
3,689,958.08 : 5,092,268.58 = 2,141,103.08 : x - Step 2: Convert to fraction form
3,689,958.08/5,092,268.58 = 2,141,103.08/x - Step 3: Cross multiply
3,689,958.08x = 5,092,268.58 × 2,141,103.08 - Step 4: Simplify right side
3,689,958.08x = 10,903,071,940,825.23 - Step 5: Solve for x
x = 10,903,071,940,825.23/3,689,958.08 - Step 6: Final answer
x = 2,954,795.61
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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.