Finding the Fourth Proportional to 2,428,558.14, 3,348,294.96 and 1,991,364.69
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Solution
The fourth proportional to 2,428,558.14, 3,348,294.96 and 1,991,364.69 is: 2,745,528.82
Step by Step Solution
- Step 1: Write the proportion equation
2,428,558.14 : 3,348,294.96 = 1,991,364.69 : x - Step 2: Convert to fraction form
2,428,558.14/3,348,294.96 = 1,991,364.69/x - Step 3: Cross multiply
2,428,558.14x = 3,348,294.96 × 1,991,364.69 - Step 4: Simplify right side
2,428,558.14x = 6,667,676,355,048.96 - Step 5: Solve for x
x = 6,667,676,355,048.96/2,428,558.14 - Step 6: Final answer
x = 2,745,528.82
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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.