Finding the Fourth Proportional to 1,513,572.20, 2,088,745.94 and 825,238.44
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Solution
The fourth proportional to 1,513,572.20, 2,088,745.94 and 825,238.44 is: 1,138,837.94
Step by Step Solution
- Step 1: Write the proportion equation
1,513,572.20 : 2,088,745.94 = 825,238.44 : x - Step 2: Convert to fraction form
1,513,572.20/2,088,745.94 = 825,238.44/x - Step 3: Cross multiply
1,513,572.20x = 2,088,745.94 × 825,238.44 - Step 4: Simplify right side
1,513,572.20x = 1,723,713,441,081.93 - Step 5: Solve for x
x = 1,723,713,441,081.93/1,513,572.20 - Step 6: Final answer
x = 1,138,837.94
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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.