Finding the Fourth Proportional to 5,119,554.95, 7,676,361.43 and 2,423,857.53
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Solution
The fourth proportional to 5,119,554.95, 7,676,361.43 and 2,423,857.53 is: 3,634,379.67
Step by Step Solution
- Step 1: Write the proportion equation
5,119,554.95 : 7,676,361.43 = 2,423,857.53 : x - Step 2: Convert to fraction form
5,119,554.95/7,676,361.43 = 2,423,857.53/x - Step 3: Cross multiply
5,119,554.95x = 7,676,361.43 × 2,423,857.53 - Step 4: Simplify right side
5,119,554.95x = 18,606,406,455,107.07 - Step 5: Solve for x
x = 18,606,406,455,107.07/5,119,554.95 - Step 6: Final answer
x = 3,634,379.67
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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.