Finding the Fourth Proportional to 6,120,141.35, 8,445,528.56 and 3,366,654.13
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Solution
The fourth proportional to 6,120,141.35, 8,445,528.56 and 3,366,654.13 is: 4,645,836.10
Step by Step Solution
- Step 1: Write the proportion equation
6,120,141.35 : 8,445,528.56 = 3,366,654.13 : x - Step 2: Convert to fraction form
6,120,141.35/8,445,528.56 = 3,366,654.13/x - Step 3: Cross multiply
6,120,141.35x = 8,445,528.56 × 3,366,654.13 - Step 4: Simplify right side
6,120,141.35x = 28,433,173,616,060.77 - Step 5: Solve for x
x = 28,433,173,616,060.77/6,120,141.35 - Step 6: Final answer
x = 4,645,836.10
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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.