Finding the Fourth Proportional to 4,665,747.75, 6,998,621.72 and 1,119,891.75
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Solution
The fourth proportional to 4,665,747.75, 6,998,621.72 and 1,119,891.75 is: 1,679,837.65
Step by Step Solution
- Step 1: Write the proportion equation
4,665,747.75 : 6,998,621.72 = 1,119,891.75 : x - Step 2: Convert to fraction form
4,665,747.75/6,998,621.72 = 1,119,891.75/x - Step 3: Cross multiply
4,665,747.75x = 6,998,621.72 × 1,119,891.75 - Step 4: Simplify right side
4,665,747.75x = 7,837,698,719,999.35 - Step 5: Solve for x
x = 7,837,698,719,999.35/4,665,747.75 - Step 6: Final answer
x = 1,679,837.65
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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.