Finding the Fourth Proportional to 4,511,186.56, 6,768,182.88 and 1,478,578.96
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Solution
The fourth proportional to 4,511,186.56, 6,768,182.88 and 1,478,578.96 is: 2,218,328.30
Step by Step Solution
- Step 1: Write the proportion equation
4,511,186.56 : 6,768,182.88 = 1,478,578.96 : x - Step 2: Convert to fraction form
4,511,186.56/6,768,182.88 = 1,478,578.96/x - Step 3: Cross multiply
4,511,186.56x = 6,768,182.88 × 1,478,578.96 - Step 4: Simplify right side
4,511,186.56x = 10,007,292,803,800.21 - Step 5: Solve for x
x = 10,007,292,803,800.21/4,511,186.56 - Step 6: Final answer
x = 2,218,328.30
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.