Finding the Fourth Proportional to 6,261,717.70, 8,645,315.52 and 4,808,806.12
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Solution
The fourth proportional to 6,261,717.70, 8,645,315.52 and 4,808,806.12 is: 6,639,335.75
Step by Step Solution
- Step 1: Write the proportion equation
6,261,717.70 : 8,645,315.52 = 4,808,806.12 : x - Step 2: Convert to fraction form
6,261,717.70/8,645,315.52 = 4,808,806.12/x - Step 3: Cross multiply
6,261,717.70x = 8,645,315.52 × 4,808,806.12 - Step 4: Simplify right side
6,261,717.70x = 41,573,646,181,906.98 - Step 5: Solve for x
x = 41,573,646,181,906.98/6,261,717.70 - Step 6: Final answer
x = 6,639,335.75
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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.