Finding the Fourth Proportional to 5,125,621.98, 7,072,734.87 and 2,833,464.54
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Solution
The fourth proportional to 5,125,621.98, 7,072,734.87 and 2,833,464.54 is: 3,909,836.41
Step by Step Solution
- Step 1: Write the proportion equation
5,125,621.98 : 7,072,734.87 = 2,833,464.54 : x - Step 2: Convert to fraction form
5,125,621.98/7,072,734.87 = 2,833,464.54/x - Step 3: Cross multiply
5,125,621.98x = 7,072,734.87 × 2,833,464.54 - Step 4: Simplify right side
5,125,621.98x = 20,040,343,454,966.51 - Step 5: Solve for x
x = 20,040,343,454,966.51/5,125,621.98 - Step 6: Final answer
x = 3,909,836.41
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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.