Finding the Fourth Proportional to 5,467,506.60, 8,201,259.90 and 5,387,790.45
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Solution
The fourth proportional to 5,467,506.60, 8,201,259.90 and 5,387,790.45 is: 8,081,685.68
Step by Step Solution
- Step 1: Write the proportion equation
5,467,506.60 : 8,201,259.90 = 5,387,790.45 : x - Step 2: Convert to fraction form
5,467,506.60/8,201,259.90 = 5,387,790.45/x - Step 3: Cross multiply
5,467,506.60x = 8,201,259.90 × 5,387,790.45 - Step 4: Simplify right side
5,467,506.60x = 44,186,669,767,187.96 - Step 5: Solve for x
x = 44,186,669,767,187.96/5,467,506.60 - Step 6: Final answer
x = 8,081,685.68
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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.