Finding the Fourth Proportional to 5,645,399.09, 7,790,688 and 3,067,079.18
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Solution
The fourth proportional to 5,645,399.09, 7,790,688 and 3,067,079.18 is: 4,232,589.51
Step by Step Solution
- Step 1: Write the proportion equation
5,645,399.09 : 7,790,688 = 3,067,079.18 : x - Step 2: Convert to fraction form
5,645,399.09/7,790,688 = 3,067,079.18/x - Step 3: Cross multiply
5,645,399.09x = 7,790,688 × 3,067,079.18 - Step 4: Simplify right side
5,645,399.09x = 23,894,656,923,722.40 - Step 5: Solve for x
x = 23,894,656,923,722.40/5,645,399.09 - Step 6: Final answer
x = 4,232,589.51
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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.