Finding the Fourth Proportional to 3,730,402.08, 5,147,955.12 and 2,120,770.08
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Solution
The fourth proportional to 3,730,402.08, 5,147,955.12 and 2,120,770.08 is: 2,926,662.85
Step by Step Solution
- Step 1: Write the proportion equation
3,730,402.08 : 5,147,955.12 = 2,120,770.08 : x - Step 2: Convert to fraction form
3,730,402.08/5,147,955.12 = 2,120,770.08/x - Step 3: Cross multiply
3,730,402.08x = 5,147,955.12 × 2,120,770.08 - Step 4: Simplify right side
3,730,402.08x = 10,917,629,191,678.81 - Step 5: Solve for x
x = 10,917,629,191,678.81/3,730,402.08 - Step 6: Final answer
x = 2,926,662.85
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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.