Finding the Fourth Proportional to 4,975,763.88, 6,868,672.81 and 3,345,116.99
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Solution
The fourth proportional to 4,975,763.88, 6,868,672.81 and 3,345,116.99 is: 4,617,685.77
Step by Step Solution
- Step 1: Write the proportion equation
4,975,763.88 : 6,868,672.81 = 3,345,116.99 : x - Step 2: Convert to fraction form
4,975,763.88/6,868,672.81 = 3,345,116.99/x - Step 3: Cross multiply
4,975,763.88x = 6,868,672.81 × 3,345,116.99 - Step 4: Simplify right side
4,975,763.88x = 22,976,514,081,138.68 - Step 5: Solve for x
x = 22,976,514,081,138.68/4,975,763.88 - Step 6: Final answer
x = 4,617,685.77
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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.