Finding the Fourth Proportional to 2,121,662.97, 2,927,805.35 and 1,154,795.13
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Solution
The fourth proportional to 2,121,662.97, 2,927,805.35 and 1,154,795.13 is: 1,593,568.54
Step by Step Solution
- Step 1: Write the proportion equation
2,121,662.97 : 2,927,805.35 = 1,154,795.13 : x - Step 2: Convert to fraction form
2,121,662.97/2,927,805.35 = 1,154,795.13/x - Step 3: Cross multiply
2,121,662.97x = 2,927,805.35 × 1,154,795.13 - Step 4: Simplify right side
2,121,662.97x = 3,381,015,353,993.97 - Step 5: Solve for x
x = 3,381,015,353,993.97/2,121,662.97 - Step 6: Final answer
x = 1,593,568.54
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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.