Finding the Fourth Proportional to 5,747,719.23, 8,621,782.49 and 1,429,791.93
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Solution
The fourth proportional to 5,747,719.23, 8,621,782.49 and 1,429,791.93 is: 2,144,738.55
Step by Step Solution
- Step 1: Write the proportion equation
5,747,719.23 : 8,621,782.49 = 1,429,791.93 : x - Step 2: Convert to fraction form
5,747,719.23/8,621,782.49 = 1,429,791.93/x - Step 3: Cross multiply
5,747,719.23x = 8,621,782.49 × 1,429,791.93 - Step 4: Simplify right side
5,747,719.23x = 12,327,355,026,417.30 - Step 5: Solve for x
x = 12,327,355,026,417.30/5,747,719.23 - Step 6: Final answer
x = 2,144,738.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.