Finding the Fourth Proportional to 6,896,631.69, 9,517,646.97 and 3,840,845.94
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Solution
The fourth proportional to 6,896,631.69, 9,517,646.97 and 3,840,845.94 is: 5,300,531.82
Step by Step Solution
- Step 1: Write the proportion equation
6,896,631.69 : 9,517,646.97 = 3,840,845.94 : x - Step 2: Convert to fraction form
6,896,631.69/9,517,646.97 = 3,840,845.94/x - Step 3: Cross multiply
6,896,631.69x = 9,517,646.97 × 3,840,845.94 - Step 4: Simplify right side
6,896,631.69x = 36,555,815,723,077.80 - Step 5: Solve for x
x = 36,555,815,723,077.80/6,896,631.69 - Step 6: Final answer
x = 5,300,531.82
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1.5x scale
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.