Finding the Fourth Proportional to 3,138,657.92, 4,703,602.52 and 1,696,231.80
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Solution
The fourth proportional to 3,138,657.92, 4,703,602.52 and 1,696,231.80 is: 2,541,978.25
Step by Step Solution
- Step 1: Write the proportion equation
3,138,657.92 : 4,703,602.52 = 1,696,231.80 : x - Step 2: Convert to fraction form
3,138,657.92/4,703,602.52 = 1,696,231.80/x - Step 3: Cross multiply
3,138,657.92x = 4,703,602.52 × 1,696,231.80 - Step 4: Simplify right side
3,138,657.92x = 7,978,400,168,984.14 - Step 5: Solve for x
x = 7,978,400,168,984.14/3,138,657.92 - Step 6: Final answer
x = 2,541,978.25
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.