Finding the Fourth Proportional to 6,143,809.40, 9,215,369.64 and 1,883,965.94
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Solution
The fourth proportional to 6,143,809.40, 9,215,369.64 and 1,883,965.94 is: 2,825,843.28
Step by Step Solution
- Step 1: Write the proportion equation
6,143,809.40 : 9,215,369.64 = 1,883,965.94 : x - Step 2: Convert to fraction form
6,143,809.40/9,215,369.64 = 1,883,965.94/x - Step 3: Cross multiply
6,143,809.40x = 9,215,369.64 × 1,883,965.94 - Step 4: Simplify right side
6,143,809.40x = 17,361,442,526,270.06 - Step 5: Solve for x
x = 17,361,442,526,270.06/6,143,809.40 - Step 6: Final answer
x = 2,825,843.28
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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.