Finding the Fourth Proportional to 3,240,818.16, 4,472,266.68 and 1,790,576.88
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Solution
The fourth proportional to 3,240,818.16, 4,472,266.68 and 1,790,576.88 is: 2,470,961.63
Step by Step Solution
- Step 1: Write the proportion equation
3,240,818.16 : 4,472,266.68 = 1,790,576.88 : x - Step 2: Convert to fraction form
3,240,818.16/4,472,266.68 = 1,790,576.88/x - Step 3: Cross multiply
3,240,818.16x = 4,472,266.68 × 1,790,576.88 - Step 4: Simplify right side
3,240,818.16x = 8,007,937,318,402.36 - Step 5: Solve for x
x = 8,007,937,318,402.36/3,240,818.16 - Step 6: Final answer
x = 2,470,961.63
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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.