Finding the Fourth Proportional to 6,745,006.77, 9,308,329.70 and 3,689,221.02
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Solution
The fourth proportional to 6,745,006.77, 9,308,329.70 and 3,689,221.02 is: 5,091,245.53
Step by Step Solution
- Step 1: Write the proportion equation
6,745,006.77 : 9,308,329.70 = 3,689,221.02 : x - Step 2: Convert to fraction form
6,745,006.77/9,308,329.70 = 3,689,221.02/x - Step 3: Cross multiply
6,745,006.77x = 9,308,329.70 × 3,689,221.02 - Step 4: Simplify right side
6,745,006.77x = 34,340,485,571,884.19 - Step 5: Solve for x
x = 34,340,485,571,884.19/6,745,006.77 - Step 6: Final answer
x = 5,091,245.53
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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.