Finding the Fourth Proportional to 1,973,578.48, 2,723,518.92 and 1,114,120.24
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Solution
The fourth proportional to 1,973,578.48, 2,723,518.92 and 1,114,120.24 is: 1,537,474.99
Step by Step Solution
- Step 1: Write the proportion equation
1,973,578.48 : 2,723,518.92 = 1,114,120.24 : x - Step 2: Convert to fraction form
1,973,578.48/2,723,518.92 = 1,114,120.24/x - Step 3: Cross multiply
1,973,578.48x = 2,723,518.92 × 1,114,120.24 - Step 4: Simplify right side
1,973,578.48x = 3,034,327,552,794.94 - Step 5: Solve for x
x = 3,034,327,552,794.94/1,973,578.48 - Step 6: Final answer
x = 1,537,474.99
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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.