Finding the Fourth Proportional to 4,217,578.39, 5,820,285.84 and 2,283,839.07
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Solution
The fourth proportional to 4,217,578.39, 5,820,285.84 and 2,283,839.07 is: 3,151,712.90
Step by Step Solution
- Step 1: Write the proportion equation
4,217,578.39 : 5,820,285.84 = 2,283,839.07 : x - Step 2: Convert to fraction form
4,217,578.39/5,820,285.84 = 2,283,839.07/x - Step 3: Cross multiply
4,217,578.39x = 5,820,285.84 × 2,283,839.07 - Step 4: Simplify right side
4,217,578.39x = 13,292,596,199,959.77 - Step 5: Solve for x
x = 13,292,596,199,959.77/4,217,578.39 - Step 6: Final answer
x = 3,151,712.90
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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.