Finding the Fourth Proportional to 5,196,114.93, 7,170,347.91 and 2,872,872.12
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Solution
The fourth proportional to 5,196,114.93, 7,170,347.91 and 2,872,872.12 is: 3,964,402.80
Step by Step Solution
- Step 1: Write the proportion equation
5,196,114.93 : 7,170,347.91 = 2,872,872.12 : x - Step 2: Convert to fraction form
5,196,114.93/7,170,347.91 = 2,872,872.12/x - Step 3: Cross multiply
5,196,114.93x = 7,170,347.91 × 2,872,872.12 - Step 4: Simplify right side
5,196,114.93x = 20,599,492,601,339.27 - Step 5: Solve for x
x = 20,599,492,601,339.27/5,196,114.93 - Step 6: Final answer
x = 3,964,402.80
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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.