Finding the Fourth Proportional to 4,598,933.78, 6,346,672.42 and 2,639,170.38
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Solution
The fourth proportional to 4,598,933.78, 6,346,672.42 and 2,639,170.38 is: 3,642,137.65
Step by Step Solution
- Step 1: Write the proportion equation
4,598,933.78 : 6,346,672.42 = 2,639,170.38 : x - Step 2: Convert to fraction form
4,598,933.78/6,346,672.42 = 2,639,170.38/x - Step 3: Cross multiply
4,598,933.78x = 6,346,672.42 × 2,639,170.38 - Step 4: Simplify right side
4,598,933.78x = 16,749,949,862,426.92 - Step 5: Solve for x
x = 16,749,949,862,426.92/4,598,933.78 - Step 6: Final answer
x = 3,642,137.65
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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.