Finding the Fourth Proportional to 5,277,741.74, 7,279,528.14 and 4,843,561.49
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Solution
The fourth proportional to 5,277,741.74, 7,279,528.14 and 4,843,561.49 is: 6,680,668.34
Step by Step Solution
- Step 1: Write the proportion equation
5,277,741.74 : 7,279,528.14 = 4,843,561.49 : x - Step 2: Convert to fraction form
5,277,741.74/7,279,528.14 = 4,843,561.49/x - Step 3: Cross multiply
5,277,741.74x = 7,279,528.14 × 4,843,561.49 - Step 4: Simplify right side
5,277,741.74x = 35,258,842,127,877.69 - Step 5: Solve for x
x = 35,258,842,127,877.69/5,277,741.74 - Step 6: Final answer
x = 6,680,668.34
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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.