Finding the Fourth Proportional to 1,601,450.91, 2,399,688.05 and 1,009,230.75
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Solution
The fourth proportional to 1,601,450.91, 2,399,688.05 and 1,009,230.75 is: 1,512,277.99
Step by Step Solution
- Step 1: Write the proportion equation
1,601,450.91 : 2,399,688.05 = 1,009,230.75 : x - Step 2: Convert to fraction form
1,601,450.91/2,399,688.05 = 1,009,230.75/x - Step 3: Cross multiply
1,601,450.91x = 2,399,688.05 × 1,009,230.75 - Step 4: Simplify right side
1,601,450.91x = 2,421,838,965,421.38 - Step 5: Solve for x
x = 2,421,838,965,421.38/1,601,450.91 - Step 6: Final answer
x = 1,512,277.99
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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.