Finding the Fourth Proportional to 1,758,018.18, 2,650,203.81 and 1,640,837.70
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Solution
The fourth proportional to 1,758,018.18, 2,650,203.81 and 1,640,837.70 is: 2,473,554.81
Step by Step Solution
- Step 1: Write the proportion equation
1,758,018.18 : 2,650,203.81 = 1,640,837.70 : x - Step 2: Convert to fraction form
1,758,018.18/2,650,203.81 = 1,640,837.70/x - Step 3: Cross multiply
1,758,018.18x = 2,650,203.81 × 1,640,837.70 - Step 4: Simplify right side
1,758,018.18x = 4,348,554,324,131.64 - Step 5: Solve for x
x = 4,348,554,324,131.64/1,758,018.18 - Step 6: Final answer
x = 2,473,554.81
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.