Finding the Fourth Proportional to 2,245,239.24, 3,098,433.20 and 1,278,369.96
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Solution
The fourth proportional to 2,245,239.24, 3,098,433.20 and 1,278,369.96 is: 1,764,152.28
Step by Step Solution
- Step 1: Write the proportion equation
2,245,239.24 : 3,098,433.20 = 1,278,369.96 : x - Step 2: Convert to fraction form
2,245,239.24/3,098,433.20 = 1,278,369.96/x - Step 3: Cross multiply
2,245,239.24x = 3,098,433.20 × 1,278,369.96 - Step 4: Simplify right side
2,245,239.24x = 3,960,943,925,946.67 - Step 5: Solve for x
x = 3,960,943,925,946.67/2,245,239.24 - Step 6: Final answer
x = 1,764,152.28
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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.