Finding the Fourth Proportional to 7,897,797.81, 11,846,696.75 and 1,914,165.81
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Solution
The fourth proportional to 7,897,797.81, 11,846,696.75 and 1,914,165.81 is: 2,871,248.72
Step by Step Solution
- Step 1: Write the proportion equation
7,897,797.81 : 11,846,696.75 = 1,914,165.81 : x - Step 2: Convert to fraction form
7,897,797.81/11,846,696.75 = 1,914,165.81/x - Step 3: Cross multiply
7,897,797.81x = 11,846,696.75 × 1,914,165.81 - Step 4: Simplify right side
7,897,797.81x = 22,676,541,870,717.29 - Step 5: Solve for x
x = 22,676,541,870,717.29/7,897,797.81 - Step 6: Final answer
x = 2,871,248.72
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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.