Finding the Fourth Proportional to 6,491,153.61, 8,957,681.40 and 3,590,542.11
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Solution
The fourth proportional to 6,491,153.61, 8,957,681.40 and 3,590,542.11 is: 4,954,886.94
Step by Step Solution
- Step 1: Write the proportion equation
6,491,153.61 : 8,957,681.40 = 3,590,542.11 : x - Step 2: Convert to fraction form
6,491,153.61/8,957,681.40 = 3,590,542.11/x - Step 3: Cross multiply
6,491,153.61x = 8,957,681.40 × 3,590,542.11 - Step 4: Simplify right side
6,491,153.61x = 32,162,932,274,663.75 - Step 5: Solve for x
x = 32,162,932,274,663.75/6,491,153.61 - Step 6: Final answer
x = 4,954,886.94
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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.