Finding the Fourth Proportional to 4,815,216.14, 6,639,187.73 and 4,160,659.19
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Solution
The fourth proportional to 4,815,216.14, 6,639,187.73 and 4,160,659.19 is: 5,736,688.99
Step by Step Solution
- Step 1: Write the proportion equation
4,815,216.14 : 6,639,187.73 = 4,160,659.19 : x - Step 2: Convert to fraction form
4,815,216.14/6,639,187.73 = 4,160,659.19/x - Step 3: Cross multiply
4,815,216.14x = 6,639,187.73 × 4,160,659.19 - Step 4: Simplify right side
4,815,216.14x = 27,623,397,388,960.50 - Step 5: Solve for x
x = 27,623,397,388,960.50/4,815,216.14 - Step 6: Final answer
x = 5,736,688.99
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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.