Finding the Fourth Proportional to 1,513,590.82, 2,088,771.64 and 825,257.02
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Solution
The fourth proportional to 1,513,590.82, 2,088,771.64 and 825,257.02 is: 1,138,863.58
Step by Step Solution
- Step 1: Write the proportion equation
1,513,590.82 : 2,088,771.64 = 825,257.02 : x - Step 2: Convert to fraction form
1,513,590.82/2,088,771.64 = 825,257.02/x - Step 3: Cross multiply
1,513,590.82x = 2,088,771.64 × 825,257.02 - Step 4: Simplify right side
1,513,590.82x = 1,723,773,459,086.91 - Step 5: Solve for x
x = 1,723,773,459,086.91/1,513,590.82 - Step 6: Final answer
x = 1,138,863.58
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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.