Finding the Fourth Proportional to 2,842,911.84, 4,263,739.68 and 820,716.48
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Solution
The fourth proportional to 2,842,911.84, 4,263,739.68 and 820,716.48 is: 1,230,893.40
Step by Step Solution
- Step 1: Write the proportion equation
2,842,911.84 : 4,263,739.68 = 820,716.48 : x - Step 2: Convert to fraction form
2,842,911.84/4,263,739.68 = 820,716.48/x - Step 3: Cross multiply
2,842,911.84x = 4,263,739.68 × 820,716.48 - Step 4: Simplify right side
2,842,911.84x = 3,499,321,421,805.93 - Step 5: Solve for x
x = 3,499,321,421,805.93/2,842,911.84 - Step 6: Final answer
x = 1,230,893.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.