Finding the Fourth Proportional to 6,784,317.33, 9,362,449.20 and 3,686,902.17
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Solution
The fourth proportional to 6,784,317.33, 9,362,449.20 and 3,686,902.17 is: 5,087,974.60
Step by Step Solution
- Step 1: Write the proportion equation
6,784,317.33 : 9,362,449.20 = 3,686,902.17 : x - Step 2: Convert to fraction form
6,784,317.33/9,362,449.20 = 3,686,902.17/x - Step 3: Cross multiply
6,784,317.33x = 9,362,449.20 × 3,686,902.17 - Step 4: Simplify right side
6,784,317.33x = 34,518,434,206,748.01 - Step 5: Solve for x
x = 34,518,434,206,748.01/6,784,317.33 - Step 6: Final answer
x = 5,087,974.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.