Finding the Fourth Proportional to 1,585,027.44, 2,187,105.84 and 905,832.72
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Solution
The fourth proportional to 1,585,027.44, 2,187,105.84 and 905,832.72 is: 1,249,916.55
Step by Step Solution
- Step 1: Write the proportion equation
1,585,027.44 : 2,187,105.84 = 905,832.72 : x - Step 2: Convert to fraction form
1,585,027.44/2,187,105.84 = 905,832.72/x - Step 3: Cross multiply
1,585,027.44x = 2,187,105.84 × 905,832.72 - Step 4: Simplify right side
1,585,027.44x = 1,981,152,031,975.08 - Step 5: Solve for x
x = 1,981,152,031,975.08/1,585,027.44 - Step 6: Final answer
x = 1,249,916.55
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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.