Finding the Fourth Proportional to 1,663,997.61, 2,296,119.18 and 938,802.99
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Solution
The fourth proportional to 1,663,997.61, 2,296,119.18 and 938,802.99 is: 1,295,436.69
Step by Step Solution
- Step 1: Write the proportion equation
1,663,997.61 : 2,296,119.18 = 938,802.99 : x - Step 2: Convert to fraction form
1,663,997.61/2,296,119.18 = 938,802.99/x - Step 3: Cross multiply
1,663,997.61x = 2,296,119.18 × 938,802.99 - Step 4: Simplify right side
1,663,997.61x = 2,155,603,551,580.35 - Step 5: Solve for x
x = 2,155,603,551,580.35/1,663,997.61 - Step 6: Final answer
x = 1,295,436.69
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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.