Finding the Fourth Proportional to 2,015,409.08, 2,780,781.50 and 1,144,049.96
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Solution
The fourth proportional to 2,015,409.08, 2,780,781.50 and 1,144,049.96 is: 1,578,514.75
Step by Step Solution
- Step 1: Write the proportion equation
2,015,409.08 : 2,780,781.50 = 1,144,049.96 : x - Step 2: Convert to fraction form
2,015,409.08/2,780,781.50 = 1,144,049.96/x - Step 3: Cross multiply
2,015,409.08x = 2,780,781.50 × 1,144,049.96 - Step 4: Simplify right side
2,015,409.08x = 3,181,352,963,843.74 - Step 5: Solve for x
x = 3,181,352,963,843.74/2,015,409.08 - Step 6: Final answer
x = 1,578,514.75
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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.