Finding the Fourth Proportional to 2,581,316.15, 3,565,858.96 and 2,068,476.80
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Solution
The fourth proportional to 2,581,316.15, 3,565,858.96 and 2,068,476.80 is: 2,857,416.95
Step by Step Solution
- Step 1: Write the proportion equation
2,581,316.15 : 3,565,858.96 = 2,068,476.80 : x - Step 2: Convert to fraction form
2,581,316.15/3,565,858.96 = 2,068,476.80/x - Step 3: Cross multiply
2,581,316.15x = 3,565,858.96 × 2,068,476.80 - Step 4: Simplify right side
2,581,316.15x = 7,375,896,530,832.13 - Step 5: Solve for x
x = 7,375,896,530,832.13/2,581,316.15 - Step 6: Final answer
x = 2,857,416.95
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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.