Finding the Fourth Proportional to 6,474,537.90, 8,934,864.09 and 3,573,930.66
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Solution
The fourth proportional to 6,474,537.90, 8,934,864.09 and 3,573,930.66 is: 4,932,025.30
Step by Step Solution
- Step 1: Write the proportion equation
6,474,537.90 : 8,934,864.09 = 3,573,930.66 : x - Step 2: Convert to fraction form
6,474,537.90/8,934,864.09 = 3,573,930.66/x - Step 3: Cross multiply
6,474,537.90x = 8,934,864.09 × 3,573,930.66 - Step 4: Simplify right side
6,474,537.90x = 31,932,584,714,184 - Step 5: Solve for x
x = 31,932,584,714,184/6,474,537.90 - Step 6: Final answer
x = 4,932,025.30
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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.