Finding the Fourth Proportional to 4,798,037.36, 7,198,316.61 and 1,724,338.56
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Solution
The fourth proportional to 4,798,037.36, 7,198,316.61 and 1,724,338.56 is: 2,586,960.87
Step by Step Solution
- Step 1: Write the proportion equation
4,798,037.36 : 7,198,316.61 = 1,724,338.56 : x - Step 2: Convert to fraction form
4,798,037.36/7,198,316.61 = 1,724,338.56/x - Step 3: Cross multiply
4,798,037.36x = 7,198,316.61 × 1,724,338.56 - Step 4: Simplify right side
4,798,037.36x = 12,412,334,889,089.79 - Step 5: Solve for x
x = 12,412,334,889,089.79/4,798,037.36 - Step 6: Final answer
x = 2,586,960.87
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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.