Finding the Fourth Proportional to 3,821,036.64, 5,273,022.69 and 2,102,153.06
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Solution
The fourth proportional to 3,821,036.64, 5,273,022.69 and 2,102,153.06 is: 2,900,966.88
Step by Step Solution
- Step 1: Write the proportion equation
3,821,036.64 : 5,273,022.69 = 2,102,153.06 : x - Step 2: Convert to fraction form
3,821,036.64/5,273,022.69 = 2,102,153.06/x - Step 3: Cross multiply
3,821,036.64x = 5,273,022.69 × 2,102,153.06 - Step 4: Simplify right side
3,821,036.64x = 11,084,700,756,867.82 - Step 5: Solve for x
x = 11,084,700,756,867.82/3,821,036.64 - Step 6: Final answer
x = 2,900,966.88
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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.