Finding the Fourth Proportional to 6,469,509.26, 9,702,603.12 and 1,919,481.68
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Solution
The fourth proportional to 6,469,509.26, 9,702,603.12 and 1,919,481.68 is: 2,878,729.78
Step by Step Solution
- Step 1: Write the proportion equation
6,469,509.26 : 9,702,603.12 = 1,919,481.68 : x - Step 2: Convert to fraction form
6,469,509.26/9,702,603.12 = 1,919,481.68/x - Step 3: Cross multiply
6,469,509.26x = 9,702,603.12 × 1,919,481.68 - Step 4: Simplify right side
6,469,509.26x = 18,623,968,937,150.84 - Step 5: Solve for x
x = 18,623,968,937,150.84/6,469,509.26 - Step 6: Final answer
x = 2,878,729.78
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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.