Finding the Fourth Proportional to 5,454,517, 8,182,956.54 and 2,088,724.12
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Solution
The fourth proportional to 5,454,517, 8,182,956.54 and 2,088,724.12 is: 3,133,538.44
Step by Step Solution
- Step 1: Write the proportion equation
5,454,517 : 8,182,956.54 = 2,088,724.12 : x - Step 2: Convert to fraction form
5,454,517/8,182,956.54 = 2,088,724.12/x - Step 3: Cross multiply
5,454,517x = 8,182,956.54 × 2,088,724.12 - Step 4: Simplify right side
5,454,517x = 17,091,938,698,009.75 - Step 5: Solve for x
x = 17,091,938,698,009.75/5,454,517 - Step 6: Final answer
x = 3,133,538.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.