Finding the Fourth Proportional to 9,121,842.75, 13,684,892.42 and 2,645,053.19
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Solution
The fourth proportional to 9,121,842.75, 13,684,892.42 and 2,645,053.19 is: 3,968,196.92
Step by Step Solution
- Step 1: Write the proportion equation
9,121,842.75 : 13,684,892.42 = 2,645,053.19 : x - Step 2: Convert to fraction form
9,121,842.75/13,684,892.42 = 2,645,053.19/x - Step 3: Cross multiply
9,121,842.75x = 13,684,892.42 × 2,645,053.19 - Step 4: Simplify right side
9,121,842.75x = 36,197,268,350,327.82 - Step 5: Solve for x
x = 36,197,268,350,327.82/9,121,842.75 - Step 6: Final answer
x = 3,968,196.92
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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.