Finding the Fourth Proportional to 4,842,434.24, 6,682,861.48 and 2,666,976.81
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Solution
The fourth proportional to 4,842,434.24, 6,682,861.48 and 2,666,976.81 is: 3,680,594.45
Step by Step Solution
- Step 1: Write the proportion equation
4,842,434.24 : 6,682,861.48 = 2,666,976.81 : x - Step 2: Convert to fraction form
4,842,434.24/6,682,861.48 = 2,666,976.81/x - Step 3: Cross multiply
4,842,434.24x = 6,682,861.48 × 2,666,976.81 - Step 4: Simplify right side
4,842,434.24x = 17,823,036,578,267.39 - Step 5: Solve for x
x = 17,823,036,578,267.39/4,842,434.24 - Step 6: Final answer
x = 3,680,594.45
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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.