Finding the Fourth Proportional to 5,666,654.84, 7,820,194.68 and 3,219,680.75
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Solution
The fourth proportional to 5,666,654.84, 7,820,194.68 and 3,219,680.75 is: 4,443,279.32
Step by Step Solution
- Step 1: Write the proportion equation
5,666,654.84 : 7,820,194.68 = 3,219,680.75 : x - Step 2: Convert to fraction form
5,666,654.84/7,820,194.68 = 3,219,680.75/x - Step 3: Cross multiply
5,666,654.84x = 7,820,194.68 × 3,219,680.75 - Step 4: Simplify right side
5,666,654.84x = 25,178,530,233,347.44 - Step 5: Solve for x
x = 25,178,530,233,347.44/5,666,654.84 - Step 6: Final answer
x = 4,443,279.32
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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.