Finding the Fourth Proportional to 3,090,620.33, 4,635,875.09 and 1,268,589.63
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Solution
The fourth proportional to 3,090,620.33, 4,635,875.09 and 1,268,589.63 is: 1,902,861.70
Step by Step Solution
- Step 1: Write the proportion equation
3,090,620.33 : 4,635,875.09 = 1,268,589.63 : x - Step 2: Convert to fraction form
3,090,620.33/4,635,875.09 = 1,268,589.63/x - Step 3: Cross multiply
3,090,620.33x = 4,635,875.09 × 1,268,589.63 - Step 4: Simplify right side
3,090,620.33x = 5,881,023,050,114.10 - Step 5: Solve for x
x = 5,881,023,050,114.10/3,090,620.33 - Step 6: Final answer
x = 1,902,861.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.