Finding the Fourth Proportional to 2,331,257.62, 3,217,234.79 and 1,298,764.82
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Solution
The fourth proportional to 2,331,257.62, 3,217,234.79 and 1,298,764.82 is: 1,792,350.76
Step by Step Solution
- Step 1: Write the proportion equation
2,331,257.62 : 3,217,234.79 = 1,298,764.82 : x - Step 2: Convert to fraction form
2,331,257.62/3,217,234.79 = 1,298,764.82/x - Step 3: Cross multiply
2,331,257.62x = 3,217,234.79 × 1,298,764.82 - Step 4: Simplify right side
2,331,257.62x = 4,178,431,346,845.91 - Step 5: Solve for x
x = 4,178,431,346,845.91/2,331,257.62 - Step 6: Final answer
x = 1,792,350.76
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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.