Finding the Fourth Proportional to 6,485,934.26, 8,950,310.21 and 3,545,695.40
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Solution
The fourth proportional to 6,485,934.26, 8,950,310.21 and 3,545,695.40 is: 4,892,907.09
Step by Step Solution
- Step 1: Write the proportion equation
6,485,934.26 : 8,950,310.21 = 3,545,695.40 : x - Step 2: Convert to fraction form
6,485,934.26/8,950,310.21 = 3,545,695.40/x - Step 3: Cross multiply
6,485,934.26x = 8,950,310.21 × 3,545,695.40 - Step 4: Simplify right side
6,485,934.26x = 31,735,073,677,690.01 - Step 5: Solve for x
x = 31,735,073,677,690.01/6,485,934.26 - Step 6: Final answer
x = 4,892,907.09
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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.