Finding the Fourth Proportional to 2,658,131.73, 3,668,240.25 and 1,512,212.08
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Solution
The fourth proportional to 2,658,131.73, 3,668,240.25 and 1,512,212.08 is: 2,086,863.17
Step by Step Solution
- Step 1: Write the proportion equation
2,658,131.73 : 3,668,240.25 = 1,512,212.08 : x - Step 2: Convert to fraction form
2,658,131.73/3,668,240.25 = 1,512,212.08/x - Step 3: Cross multiply
2,658,131.73x = 3,668,240.25 × 1,512,212.08 - Step 4: Simplify right side
2,658,131.73x = 5,547,157,218,392.22 - Step 5: Solve for x
x = 5,547,157,218,392.22/2,658,131.73 - Step 6: Final answer
x = 2,086,863.17
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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.