Finding the Fourth Proportional to 3,823,853.58, 5,275,729.29 and 2,169,727.07
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Solution
The fourth proportional to 3,823,853.58, 5,275,729.29 and 2,169,727.07 is: 2,993,548.89
Step by Step Solution
- Step 1: Write the proportion equation
3,823,853.58 : 5,275,729.29 = 2,169,727.07 : x - Step 2: Convert to fraction form
3,823,853.58/5,275,729.29 = 2,169,727.07/x - Step 3: Cross multiply
3,823,853.58x = 5,275,729.29 × 2,169,727.07 - Step 4: Simplify right side
3,823,853.58x = 11,446,892,636,262.71 - Step 5: Solve for x
x = 11,446,892,636,262.71/3,823,853.58 - Step 6: Final answer
x = 2,993,548.89
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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.