Finding the Fourth Proportional to 3,149,212.76, 4,345,902.92 and 1,772,555.68
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Solution
The fourth proportional to 3,149,212.76, 4,345,902.92 and 1,772,555.68 is: 2,446,120.82
Step by Step Solution
- Step 1: Write the proportion equation
3,149,212.76 : 4,345,902.92 = 1,772,555.68 : x - Step 2: Convert to fraction form
3,149,212.76/4,345,902.92 = 1,772,555.68/x - Step 3: Cross multiply
3,149,212.76x = 4,345,902.92 × 1,772,555.68 - Step 4: Simplify right side
3,149,212.76x = 7,703,354,905,574.59 - Step 5: Solve for x
x = 7,703,354,905,574.59/3,149,212.76 - Step 6: Final answer
x = 2,446,120.82
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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.