Finding the Fourth Proportional to 5,475,656.67, 8,212,857.49 and 1,432,534.65
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Solution
The fourth proportional to 5,475,656.67, 8,212,857.49 and 1,432,534.65 is: 2,148,637.80
Step by Step Solution
- Step 1: Write the proportion equation
5,475,656.67 : 8,212,857.49 = 1,432,534.65 : x - Step 2: Convert to fraction form
5,475,656.67/8,212,857.49 = 1,432,534.65/x - Step 3: Cross multiply
5,475,656.67x = 8,212,857.49 × 1,432,534.65 - Step 4: Simplify right side
5,475,656.67x = 11,765,202,922,774.36 - Step 5: Solve for x
x = 11,765,202,922,774.36/5,475,656.67 - Step 6: Final answer
x = 2,148,637.80
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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.