Finding the Fourth Proportional to 1,513,575.12, 2,088,749.96 and 825,241.35
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Solution
The fourth proportional to 1,513,575.12, 2,088,749.96 and 825,241.35 is: 1,138,841.94
Step by Step Solution
- Step 1: Write the proportion equation
1,513,575.12 : 2,088,749.96 = 825,241.35 : x - Step 2: Convert to fraction form
1,513,575.12/2,088,749.96 = 825,241.35/x - Step 3: Cross multiply
1,513,575.12x = 2,088,749.96 × 825,241.35 - Step 4: Simplify right side
1,513,575.12x = 1,723,722,832,676.64 - Step 5: Solve for x
x = 1,723,722,832,676.64/1,513,575.12 - Step 6: Final answer
x = 1,138,841.94
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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.