Finding the Fourth Proportional to 4,722,770.64, 7,084,662.21 and 1,311,071.70
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Solution
The fourth proportional to 4,722,770.64, 7,084,662.21 and 1,311,071.70 is: 1,966,748.09
Step by Step Solution
- Step 1: Write the proportion equation
4,722,770.64 : 7,084,662.21 = 1,311,071.70 : x - Step 2: Convert to fraction form
4,722,770.64/7,084,662.21 = 1,311,071.70/x - Step 3: Cross multiply
4,722,770.64x = 7,084,662.21 × 1,311,071.70 - Step 4: Simplify right side
4,722,770.64x = 9,288,500,127,590.46 - Step 5: Solve for x
x = 9,288,500,127,590.46/4,722,770.64 - Step 6: Final answer
x = 1,966,748.09
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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.