Finding the Fourth Proportional to 5,125,617.48, 7,072,728.66 and 2,833,460.04
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Solution
The fourth proportional to 5,125,617.48, 7,072,728.66 and 2,833,460.04 is: 3,909,830.20
Step by Step Solution
- Step 1: Write the proportion equation
5,125,617.48 : 7,072,728.66 = 2,833,460.04 : x - Step 2: Convert to fraction form
5,125,617.48/7,072,728.66 = 2,833,460.04/x - Step 3: Cross multiply
5,125,617.48x = 7,072,728.66 × 2,833,460.04 - Step 4: Simplify right side
5,125,617.48x = 20,040,294,031,872.75 - Step 5: Solve for x
x = 20,040,294,031,872.75/5,125,617.48 - Step 6: Final answer
x = 3,909,830.20
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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.