Finding the Fourth Proportional to 4,049,905.90, 5,588,873.20 and 2,214,334.92
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Solution
The fourth proportional to 4,049,905.90, 5,588,873.20 and 2,214,334.92 is: 3,055,783.86
Step by Step Solution
- Step 1: Write the proportion equation
4,049,905.90 : 5,588,873.20 = 2,214,334.92 : x - Step 2: Convert to fraction form
4,049,905.90/5,588,873.20 = 2,214,334.92/x - Step 3: Cross multiply
4,049,905.90x = 5,588,873.20 × 2,214,334.92 - Step 4: Simplify right side
4,049,905.90x = 12,375,637,090,212.14 - Step 5: Solve for x
x = 12,375,637,090,212.14/4,049,905.90 - Step 6: Final answer
x = 3,055,783.86
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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.