Finding the Fourth Proportional to 4,527,418.86, 6,790,390.20 and 1,331,797.68
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Solution
The fourth proportional to 4,527,418.86, 6,790,390.20 and 1,331,797.68 is: 1,997,479.40
Step by Step Solution
- Step 1: Write the proportion equation
4,527,418.86 : 6,790,390.20 = 1,331,797.68 : x - Step 2: Convert to fraction form
4,527,418.86/6,790,390.20 = 1,331,797.68/x - Step 3: Cross multiply
4,527,418.86x = 6,790,390.20 × 1,331,797.68 - Step 4: Simplify right side
4,527,418.86x = 9,043,425,914,654.74 - Step 5: Solve for x
x = 9,043,425,914,654.74/4,527,418.86 - Step 6: Final answer
x = 1,997,479.40
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.