Finding the Fourth Proportional to 1,513,582.88, 2,088,760.64 and 825,249.20
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Solution
The fourth proportional to 1,513,582.88, 2,088,760.64 and 825,249.20 is: 1,138,852.76
Step by Step Solution
- Step 1: Write the proportion equation
1,513,582.88 : 2,088,760.64 = 825,249.20 : x - Step 2: Convert to fraction form
1,513,582.88/2,088,760.64 = 825,249.20/x - Step 3: Cross multiply
1,513,582.88x = 2,088,760.64 × 825,249.20 - Step 4: Simplify right side
1,513,582.88x = 1,723,748,032,581.44 - Step 5: Solve for x
x = 1,723,748,032,581.44/1,513,582.88 - Step 6: Final answer
x = 1,138,852.76
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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.