Finding the Fourth Proportional to 5,635,971.84, 8,455,334.78 and 1,797,794.94
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Solution
The fourth proportional to 5,635,971.84, 8,455,334.78 and 1,797,794.94 is: 2,697,131.66
Step by Step Solution
- Step 1: Write the proportion equation
5,635,971.84 : 8,455,334.78 = 1,797,794.94 : x - Step 2: Convert to fraction form
5,635,971.84/8,455,334.78 = 1,797,794.94/x - Step 3: Cross multiply
5,635,971.84x = 8,455,334.78 × 1,797,794.94 - Step 4: Simplify right side
5,635,971.84x = 15,200,958,083,490.01 - Step 5: Solve for x
x = 15,200,958,083,490.01/5,635,971.84 - Step 6: Final answer
x = 2,697,131.66
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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.