Finding the Fourth Proportional to 5,912,975.50, 8,159,917.26 and 3,196,721.50
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Solution
The fourth proportional to 5,912,975.50, 8,159,917.26 and 3,196,721.50 is: 4,411,481.65
Step by Step Solution
- Step 1: Write the proportion equation
5,912,975.50 : 8,159,917.26 = 3,196,721.50 : x - Step 2: Convert to fraction form
5,912,975.50/8,159,917.26 = 3,196,721.50/x - Step 3: Cross multiply
5,912,975.50x = 8,159,917.26 × 3,196,721.50 - Step 4: Simplify right side
5,912,975.50x = 26,084,982,943,263.09 - Step 5: Solve for x
x = 26,084,982,943,263.09/5,912,975.50 - Step 6: Final answer
x = 4,411,481.65
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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.