Finding the Fourth Proportional to 2,840,473.73, 3,919,878.74 and 1,616,857.97
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Solution
The fourth proportional to 2,840,473.73, 3,919,878.74 and 1,616,857.97 is: 2,231,278.22
Step by Step Solution
- Step 1: Write the proportion equation
2,840,473.73 : 3,919,878.74 = 1,616,857.97 : x - Step 2: Convert to fraction form
2,840,473.73/3,919,878.74 = 1,616,857.97/x - Step 3: Cross multiply
2,840,473.73x = 3,919,878.74 × 1,616,857.97 - Step 4: Simplify right side
2,840,473.73x = 6,337,887,166,645.31 - Step 5: Solve for x
x = 6,337,887,166,645.31/2,840,473.73 - Step 6: Final answer
x = 2,231,278.22
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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.