Finding the Fourth Proportional to 6,241,589.63, 8,610,960.66 and 3,917,125.70
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Solution
The fourth proportional to 6,241,589.63, 8,610,960.66 and 3,917,125.70 is: 5,404,106.53
Step by Step Solution
- Step 1: Write the proportion equation
6,241,589.63 : 8,610,960.66 = 3,917,125.70 : x - Step 2: Convert to fraction form
6,241,589.63/8,610,960.66 = 3,917,125.70/x - Step 3: Cross multiply
6,241,589.63x = 8,610,960.66 × 3,917,125.70 - Step 4: Simplify right side
6,241,589.63x = 33,730,215,302,974.96 - Step 5: Solve for x
x = 33,730,215,302,974.96/6,241,589.63 - Step 6: Final answer
x = 5,404,106.53
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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.