Finding the Fourth Proportional to 5,821,718.28, 8,691,643.58 and 4,448,304.12
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Solution
The fourth proportional to 5,821,718.28, 8,691,643.58 and 4,448,304.12 is: 6,641,179.13
Step by Step Solution
- Step 1: Write the proportion equation
5,821,718.28 : 8,691,643.58 = 4,448,304.12 : x - Step 2: Convert to fraction form
5,821,718.28/8,691,643.58 = 4,448,304.12/x - Step 3: Cross multiply
5,821,718.28x = 8,691,643.58 × 4,448,304.12 - Step 4: Simplify right side
5,821,718.28x = 38,663,073,946,485.55 - Step 5: Solve for x
x = 38,663,073,946,485.55/5,821,718.28 - Step 6: Final answer
x = 6,641,179.13
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.