Finding the Fourth Proportional to 4,891,521.76, 6,752,920.74 and 3,771,464.10
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Solution
The fourth proportional to 4,891,521.76, 6,752,920.74 and 3,771,464.10 is: 5,206,641.08
Step by Step Solution
- Step 1: Write the proportion equation
4,891,521.76 : 6,752,920.74 = 3,771,464.10 : x - Step 2: Convert to fraction form
4,891,521.76/6,752,920.74 = 3,771,464.10/x - Step 3: Cross multiply
4,891,521.76x = 6,752,920.74 × 3,771,464.10 - Step 4: Simplify right side
4,891,521.76x = 25,468,398,141,055.43 - Step 5: Solve for x
x = 25,468,398,141,055.43/4,891,521.76 - Step 6: Final answer
x = 5,206,641.08
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1.5x scale
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.