Finding the Fourth Proportional to 2,390,467.87, 3,298,749.42 and 1,302,716.09
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Solution
The fourth proportional to 2,390,467.87, 3,298,749.42 and 1,302,716.09 is: 1,797,695.75
Step by Step Solution
- Step 1: Write the proportion equation
2,390,467.87 : 3,298,749.42 = 1,302,716.09 : x - Step 2: Convert to fraction form
2,390,467.87/3,298,749.42 = 1,302,716.09/x - Step 3: Cross multiply
2,390,467.87x = 3,298,749.42 × 1,302,716.09 - Step 4: Simplify right side
2,390,467.87x = 4,297,333,931,060.10 - Step 5: Solve for x
x = 4,297,333,931,060.10/2,390,467.87 - Step 6: Final answer
x = 1,797,695.75
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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.