Finding the Fourth Proportional to 5,488,805.44, 7,574,661.18 and 3,197,113.75
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Solution
The fourth proportional to 5,488,805.44, 7,574,661.18 and 3,197,113.75 is: 4,412,080.86
Step by Step Solution
- Step 1: Write the proportion equation
5,488,805.44 : 7,574,661.18 = 3,197,113.75 : x - Step 2: Convert to fraction form
5,488,805.44/7,574,661.18 = 3,197,113.75/x - Step 3: Cross multiply
5,488,805.44x = 7,574,661.18 × 3,197,113.75 - Step 4: Simplify right side
5,488,805.44x = 24,217,053,410,169.22 - Step 5: Solve for x
x = 24,217,053,410,169.22/5,488,805.44 - Step 6: Final answer
x = 4,412,080.86
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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.