Finding the Fourth Proportional to 4,899,969.05, 7,351,638.64 and 2,879,903.03
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Solution
The fourth proportional to 4,899,969.05, 7,351,638.64 and 2,879,903.03 is: 4,320,844.92
Step by Step Solution
- Step 1: Write the proportion equation
4,899,969.05 : 7,351,638.64 = 2,879,903.03 : x - Step 2: Convert to fraction form
4,899,969.05/7,351,638.64 = 2,879,903.03/x - Step 3: Cross multiply
4,899,969.05x = 7,351,638.64 × 2,879,903.03 - Step 4: Simplify right side
4,899,969.05x = 21,172,006,343,643.37 - Step 5: Solve for x
x = 21,172,006,343,643.37/4,899,969.05 - Step 6: Final answer
x = 4,320,844.92
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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.