Finding the Fourth Proportional to 1,672,880.11, 2,308,530.98 and 947,709.18
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Solution
The fourth proportional to 1,672,880.11, 2,308,530.98 and 947,709.18 is: 1,307,813.99
Step by Step Solution
- Step 1: Write the proportion equation
1,672,880.11 : 2,308,530.98 = 947,709.18 : x - Step 2: Convert to fraction form
1,672,880.11/2,308,530.98 = 947,709.18/x - Step 3: Cross multiply
1,672,880.11x = 2,308,530.98 × 947,709.18 - Step 4: Simplify right side
1,672,880.11x = 2,187,816,004,429.67 - Step 5: Solve for x
x = 2,187,816,004,429.67/1,672,880.11 - Step 6: Final answer
x = 1,307,813.99
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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.