Finding the Fourth Proportional to 7,461,889.26, 11,191,581.84 and 2,071,087.38
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Solution
The fourth proportional to 7,461,889.26, 11,191,581.84 and 2,071,087.38 is: 3,106,283.56
Step by Step Solution
- Step 1: Write the proportion equation
7,461,889.26 : 11,191,581.84 = 2,071,087.38 : x - Step 2: Convert to fraction form
7,461,889.26/11,191,581.84 = 2,071,087.38/x - Step 3: Cross multiply
7,461,889.26x = 11,191,581.84 × 2,071,087.38 - Step 4: Simplify right side
7,461,889.26x = 23,178,743,911,061.18 - Step 5: Solve for x
x = 23,178,743,911,061.18/7,461,889.26 - Step 6: Final answer
x = 3,106,283.56
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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.