Finding the Fourth Proportional to 6,269,318.28, 8,651,651.58 and 3,655,927.80
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Solution
The fourth proportional to 6,269,318.28, 8,651,651.58 and 3,655,927.80 is: 5,045,175.91
Step by Step Solution
- Step 1: Write the proportion equation
6,269,318.28 : 8,651,651.58 = 3,655,927.80 : x - Step 2: Convert to fraction form
6,269,318.28/8,651,651.58 = 3,655,927.80/x - Step 3: Cross multiply
6,269,318.28x = 8,651,651.58 × 3,655,927.80 - Step 4: Simplify right side
6,269,318.28x = 31,629,813,527,235.92 - Step 5: Solve for x
x = 31,629,813,527,235.92/6,269,318.28 - Step 6: Final answer
x = 5,045,175.91
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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.