Finding the Fourth Proportional to 2,032,941.68, 2,805,408.18 and 1,161,720.98
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Solution
The fourth proportional to 2,032,941.68, 2,805,408.18 and 1,161,720.98 is: 1,603,145.61
Step by Step Solution
- Step 1: Write the proportion equation
2,032,941.68 : 2,805,408.18 = 1,161,720.98 : x - Step 2: Convert to fraction form
2,032,941.68/2,805,408.18 = 1,161,720.98/x - Step 3: Cross multiply
2,032,941.68x = 2,805,408.18 × 1,161,720.98 - Step 4: Simplify right side
2,032,941.68x = 3,259,101,526,142.58 - Step 5: Solve for x
x = 3,259,101,526,142.58/2,032,941.68 - Step 6: Final answer
x = 1,603,145.61
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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.