Finding the Fourth Proportional to 1,513,569.20, 2,088,741.80 and 825,235.44
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Solution
The fourth proportional to 1,513,569.20, 2,088,741.80 and 825,235.44 is: 1,138,833.80
Step by Step Solution
- Step 1: Write the proportion equation
1,513,569.20 : 2,088,741.80 = 825,235.44 : x - Step 2: Convert to fraction form
1,513,569.20/2,088,741.80 = 825,235.44/x - Step 3: Cross multiply
1,513,569.20x = 2,088,741.80 × 825,235.44 - Step 4: Simplify right side
1,513,569.20x = 1,723,703,758,369.39 - Step 5: Solve for x
x = 1,723,703,758,369.39/1,513,569.20 - Step 6: Final answer
x = 1,138,833.80
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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.