Finding the Fourth Proportional to 4,992,709.29, 6,889,871.83 and 2,787,605.98
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Solution
The fourth proportional to 4,992,709.29, 6,889,871.83 and 2,787,605.98 is: 3,846,858.85
Step by Step Solution
- Step 1: Write the proportion equation
4,992,709.29 : 6,889,871.83 = 2,787,605.98 : x - Step 2: Convert to fraction form
4,992,709.29/6,889,871.83 = 2,787,605.98/x - Step 3: Cross multiply
4,992,709.29x = 6,889,871.83 × 2,787,605.98 - Step 4: Simplify right side
4,992,709.29x = 19,206,247,914,741.54 - Step 5: Solve for x
x = 19,206,247,914,741.54/4,992,709.29 - Step 6: Final answer
x = 3,846,858.85
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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.