Finding the Fourth Proportional to 3,243,786.99, 4,476,245.27 and 1,793,397.75
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Solution
The fourth proportional to 3,243,786.99, 4,476,245.27 and 1,793,397.75 is: 2,474,788.95
Step by Step Solution
- Step 1: Write the proportion equation
3,243,786.99 : 4,476,245.27 = 1,793,397.75 : x - Step 2: Convert to fraction form
3,243,786.99/4,476,245.27 = 1,793,397.75/x - Step 3: Cross multiply
3,243,786.99x = 4,476,245.27 × 1,793,397.75 - Step 4: Simplify right side
3,243,786.99x = 8,027,688,186,699.15 - Step 5: Solve for x
x = 8,027,688,186,699.15/3,243,786.99 - Step 6: Final answer
x = 2,474,788.95
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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.