Finding the Fourth Proportional to 6,816,779.16, 10,222,617.06 and 2,925,745.08
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Solution
The fourth proportional to 6,816,779.16, 10,222,617.06 and 2,925,745.08 is: 4,387,522.45
Step by Step Solution
- Step 1: Write the proportion equation
6,816,779.16 : 10,222,617.06 = 2,925,745.08 : x - Step 2: Convert to fraction form
6,816,779.16/10,222,617.06 = 2,925,745.08/x - Step 3: Cross multiply
6,816,779.16x = 10,222,617.06 × 2,925,745.08 - Step 4: Simplify right side
6,816,779.16x = 29,908,771,568,019.07 - Step 5: Solve for x
x = 29,908,771,568,019.07/6,816,779.16 - Step 6: Final answer
x = 4,387,522.45
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1.5x scale
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.