Finding the Fourth Proportional to 2,157,552.21, 3,235,486.92 and 808,979.97
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Solution
The fourth proportional to 2,157,552.21, 3,235,486.92 and 808,979.97 is: 1,213,154.47
Step by Step Solution
- Step 1: Write the proportion equation
2,157,552.21 : 3,235,486.92 = 808,979.97 : x - Step 2: Convert to fraction form
2,157,552.21/3,235,486.92 = 808,979.97/x - Step 3: Cross multiply
2,157,552.21x = 3,235,486.92 × 808,979.97 - Step 4: Simplify right side
2,157,552.21x = 2,617,444,111,476.99 - Step 5: Solve for x
x = 2,617,444,111,476.99/2,157,552.21 - Step 6: Final answer
x = 1,213,154.47
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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.