Finding the Fourth Proportional to 7,901,137.05, 11,852,654.76 and 2,782,509
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Solution
The fourth proportional to 7,901,137.05, 11,852,654.76 and 2,782,509 is: 4,174,097.77
Step by Step Solution
- Step 1: Write the proportion equation
7,901,137.05 : 11,852,654.76 = 2,782,509 : x - Step 2: Convert to fraction form
7,901,137.05/11,852,654.76 = 2,782,509/x - Step 3: Cross multiply
7,901,137.05x = 11,852,654.76 × 2,782,509 - Step 4: Simplify right side
7,901,137.05x = 32,980,118,543,592.84 - Step 5: Solve for x
x = 32,980,118,543,592.84/7,901,137.05 - Step 6: Final answer
x = 4,174,097.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.