Finding the Fourth Proportional to 6,071,256.96, 8,378,331.84 and 3,354,979.20
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Solution
The fourth proportional to 6,071,256.96, 8,378,331.84 and 3,354,979.20 is: 4,629,869.77
Step by Step Solution
- Step 1: Write the proportion equation
6,071,256.96 : 8,378,331.84 = 3,354,979.20 : x - Step 2: Convert to fraction form
6,071,256.96/8,378,331.84 = 3,354,979.20/x - Step 3: Cross multiply
6,071,256.96x = 8,378,331.84 × 3,354,979.20 - Step 4: Simplify right side
6,071,256.96x = 28,109,129,053,897.73 - Step 5: Solve for x
x = 28,109,129,053,897.73/6,071,256.96 - Step 6: Final answer
x = 4,629,869.77
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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.