Finding the Fourth Proportional to 5,109,718.08, 7,051,173.57 and 2,932,728.96
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Solution
The fourth proportional to 5,109,718.08, 7,051,173.57 and 2,932,728.96 is: 4,047,029.72
Step by Step Solution
- Step 1: Write the proportion equation
5,109,718.08 : 7,051,173.57 = 2,932,728.96 : x - Step 2: Convert to fraction form
5,109,718.08/7,051,173.57 = 2,932,728.96/x - Step 3: Cross multiply
5,109,718.08x = 7,051,173.57 × 2,932,728.96 - Step 4: Simplify right side
5,109,718.08x = 20,679,180,930,725.59 - Step 5: Solve for x
x = 20,679,180,930,725.59/5,109,718.08 - Step 6: Final answer
x = 4,047,029.72
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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.