Finding the Fourth Proportional to 3,720,803.08, 5,135,269.98 and 2,271,342.16
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Solution
The fourth proportional to 3,720,803.08, 5,135,269.98 and 2,271,342.16 is: 3,134,795.09
Step by Step Solution
- Step 1: Write the proportion equation
3,720,803.08 : 5,135,269.98 = 2,271,342.16 : x - Step 2: Convert to fraction form
3,720,803.08/5,135,269.98 = 2,271,342.16/x - Step 3: Cross multiply
3,720,803.08x = 5,135,269.98 × 2,271,342.16 - Step 4: Simplify right side
3,720,803.08x = 11,663,955,208,556.36 - Step 5: Solve for x
x = 11,663,955,208,556.36/3,720,803.08 - Step 6: Final answer
x = 3,134,795.09
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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.