Finding the Fourth Proportional to 5,125,162.17, 7,072,871.41 and 2,833,470.48
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Solution
The fourth proportional to 5,125,162.17, 7,072,871.41 and 2,833,470.48 is: 3,910,270.87
Step by Step Solution
- Step 1: Write the proportion equation
5,125,162.17 : 7,072,871.41 = 2,833,470.48 : x - Step 2: Convert to fraction form
5,125,162.17/7,072,871.41 = 2,833,470.48/x - Step 3: Cross multiply
5,125,162.17x = 7,072,871.41 × 2,833,470.48 - Step 4: Simplify right side
5,125,162.17x = 20,040,772,349,070.98 - Step 5: Solve for x
x = 20,040,772,349,070.98/5,125,162.17 - Step 6: Final answer
x = 3,910,270.87
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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.