Finding the Fourth Proportional to 6,197,260.88, 8,553,234.23 and 5,163,128.82
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Solution
The fourth proportional to 6,197,260.88, 8,553,234.23 and 5,163,128.82 is: 7,125,962.75
Step by Step Solution
- Step 1: Write the proportion equation
6,197,260.88 : 8,553,234.23 = 5,163,128.82 : x - Step 2: Convert to fraction form
6,197,260.88/8,553,234.23 = 5,163,128.82/x - Step 3: Cross multiply
6,197,260.88x = 8,553,234.23 × 5,163,128.82 - Step 4: Simplify right side
6,197,260.88x = 44,161,450,131,307.87 - Step 5: Solve for x
x = 44,161,450,131,307.87/6,197,260.88 - Step 6: Final answer
x = 7,125,962.75
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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.