Finding the Fourth Proportional to 3,018,716.40, 4,165,893.36 and 1,660,589.28
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Solution
The fourth proportional to 3,018,716.40, 4,165,893.36 and 1,660,589.28 is: 2,291,648.81
Step by Step Solution
- Step 1: Write the proportion equation
3,018,716.40 : 4,165,893.36 = 1,660,589.28 : x - Step 2: Convert to fraction form
3,018,716.40/4,165,893.36 = 1,660,589.28/x - Step 3: Cross multiply
3,018,716.40x = 4,165,893.36 × 1,660,589.28 - Step 4: Simplify right side
3,018,716.40x = 6,917,837,855,239.18 - Step 5: Solve for x
x = 6,917,837,855,239.18/3,018,716.40 - Step 6: Final answer
x = 2,291,648.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.