Finding the Fourth Proportional to 6,720,207.60, 10,081,623.60 and 2,676,007.20
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Solution
The fourth proportional to 6,720,207.60, 10,081,623.60 and 2,676,007.20 is: 4,014,533.32
Step by Step Solution
- Step 1: Write the proportion equation
6,720,207.60 : 10,081,623.60 = 2,676,007.20 : x - Step 2: Convert to fraction form
6,720,207.60/10,081,623.60 = 2,676,007.20/x - Step 3: Cross multiply
6,720,207.60x = 10,081,623.60 × 2,676,007.20 - Step 4: Simplify right side
6,720,207.60x = 26,978,497,341,289.92 - Step 5: Solve for x
x = 26,978,497,341,289.92/6,720,207.60 - Step 6: Final answer
x = 4,014,533.32
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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.