Finding the Fourth Proportional to 6,643,635.24, 9,168,217.38 and 3,587,849.49
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Solution
The fourth proportional to 6,643,635.24, 9,168,217.38 and 3,587,849.49 is: 4,951,232.70
Step by Step Solution
- Step 1: Write the proportion equation
6,643,635.24 : 9,168,217.38 = 3,587,849.49 : x - Step 2: Convert to fraction form
6,643,635.24/9,168,217.38 = 3,587,849.49/x - Step 3: Cross multiply
6,643,635.24x = 9,168,217.38 × 3,587,849.49 - Step 4: Simplify right side
6,643,635.24x = 32,894,184,051,042.14 - Step 5: Solve for x
x = 32,894,184,051,042.14/6,643,635.24 - Step 6: Final answer
x = 4,951,232.70
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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.