Finding the Fourth Proportional to 4,909,819.68, 6,775,761.37 and 2,734,362.82
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Solution
The fourth proportional to 4,909,819.68, 6,775,761.37 and 2,734,362.82 is: 3,773,537.76
Step by Step Solution
- Step 1: Write the proportion equation
4,909,819.68 : 6,775,761.37 = 2,734,362.82 : x - Step 2: Convert to fraction form
4,909,819.68/6,775,761.37 = 2,734,362.82/x - Step 3: Cross multiply
4,909,819.68x = 6,775,761.37 × 2,734,362.82 - Step 4: Simplify right side
4,909,819.68x = 18,527,389,967,320.26 - Step 5: Solve for x
x = 18,527,389,967,320.26/4,909,819.68 - Step 6: Final answer
x = 3,773,537.76
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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.