Finding the Fourth Proportional to 4,842,245.67, 6,682,039.68 and 2,666,364.13
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Solution
The fourth proportional to 4,842,245.67, 6,682,039.68 and 2,666,364.13 is: 3,679,439.69
Step by Step Solution
- Step 1: Write the proportion equation
4,842,245.67 : 6,682,039.68 = 2,666,364.13 : x - Step 2: Convert to fraction form
4,842,245.67/6,682,039.68 = 2,666,364.13/x - Step 3: Cross multiply
4,842,245.67x = 6,682,039.68 × 2,666,364.13 - Step 4: Simplify right side
4,842,245.67x = 17,816,750,917,988.68 - Step 5: Solve for x
x = 17,816,750,917,988.68/4,842,245.67 - Step 6: Final answer
x = 3,679,439.69
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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.