Finding the Fourth Proportional to 1,448,027.27, 1,991,191.67 and 1,256,708.51
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Solution
The fourth proportional to 1,448,027.27, 1,991,191.67 and 1,256,708.51 is: 1,728,108.00
Step by Step Solution
- Step 1: Write the proportion equation
1,448,027.27 : 1,991,191.67 = 1,256,708.51 : x - Step 2: Convert to fraction form
1,448,027.27/1,991,191.67 = 1,256,708.51/x - Step 3: Cross multiply
1,448,027.27x = 1,991,191.67 × 1,256,708.51 - Step 4: Simplify right side
1,448,027.27x = 2,502,347,516,730.11 - Step 5: Solve for x
x = 2,502,347,516,730.11/1,448,027.27 - Step 6: Final answer
x = 1,728,108.00
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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.