Finding the Fourth Proportional to 3,445,383.99, 4,754,629.92 and 1,917,851.97
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Solution
The fourth proportional to 3,445,383.99, 4,754,629.92 and 1,917,851.97 is: 2,646,635.73
Step by Step Solution
- Step 1: Write the proportion equation
3,445,383.99 : 4,754,629.92 = 1,917,851.97 : x - Step 2: Convert to fraction form
3,445,383.99/4,754,629.92 = 1,917,851.97/x - Step 3: Cross multiply
3,445,383.99x = 4,754,629.92 × 1,917,851.97 - Step 4: Simplify right side
3,445,383.99x = 9,118,676,358,692.94 - Step 5: Solve for x
x = 9,118,676,358,692.94/3,445,383.99 - Step 6: Final answer
x = 2,646,635.73
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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.