Finding the Fourth Proportional to 7,920,404.10, 11,880,505.80 and 2,528,986.14
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Solution
The fourth proportional to 7,920,404.10, 11,880,505.80 and 2,528,986.14 is: 3,793,447.17
Step by Step Solution
- Step 1: Write the proportion equation
7,920,404.10 : 11,880,505.80 = 2,528,986.14 : x - Step 2: Convert to fraction form
7,920,404.10/11,880,505.80 = 2,528,986.14/x - Step 3: Cross multiply
7,920,404.10x = 11,880,505.80 × 2,528,986.14 - Step 4: Simplify right side
7,920,404.10x = 30,045,634,504,389.62 - Step 5: Solve for x
x = 30,045,634,504,389.62/7,920,404.10 - Step 6: Final answer
x = 3,793,447.17
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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.