Finding the Fourth Proportional to 1,977,408.99, 2,728,845.93 and 1,161,647.06
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Solution
The fourth proportional to 1,977,408.99, 2,728,845.93 and 1,161,647.06 is: 1,603,085.58
Step by Step Solution
- Step 1: Write the proportion equation
1,977,408.99 : 2,728,845.93 = 1,161,647.06 : x - Step 2: Convert to fraction form
1,977,408.99/2,728,845.93 = 1,161,647.06/x - Step 3: Cross multiply
1,977,408.99x = 2,728,845.93 × 1,161,647.06 - Step 4: Simplify right side
1,977,408.99x = 3,169,955,838,133.24 - Step 5: Solve for x
x = 3,169,955,838,133.24/1,977,408.99 - Step 6: Final answer
x = 1,603,085.58
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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.