Finding the Fourth Proportional to 5,434,598.19, 8,151,891.99 and 1,391,079.54
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Solution
The fourth proportional to 5,434,598.19, 8,151,891.99 and 1,391,079.54 is: 2,086,617.95
Step by Step Solution
- Step 1: Write the proportion equation
5,434,598.19 : 8,151,891.99 = 1,391,079.54 : x - Step 2: Convert to fraction form
5,434,598.19/8,151,891.99 = 1,391,079.54/x - Step 3: Cross multiply
5,434,598.19x = 8,151,891.99 × 1,391,079.54 - Step 4: Simplify right side
5,434,598.19x = 11,339,930,159,578.88 - Step 5: Solve for x
x = 11,339,930,159,578.88/5,434,598.19 - Step 6: Final answer
x = 2,086,617.95
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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.