Finding the Fourth Proportional to 5,031,721, 7,581,190.79 and 4,552,563.04
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Solution
The fourth proportional to 5,031,721, 7,581,190.79 and 4,552,563.04 is: 6,859,253.32
Step by Step Solution
- Step 1: Write the proportion equation
5,031,721 : 7,581,190.79 = 4,552,563.04 : x - Step 2: Convert to fraction form
5,031,721/7,581,190.79 = 4,552,563.04/x - Step 3: Cross multiply
5,031,721x = 7,581,190.79 × 4,552,563.04 - Step 4: Simplify right side
5,031,721x = 34,513,848,989,742.40 - Step 5: Solve for x
x = 34,513,848,989,742.40/5,031,721 - Step 6: Final answer
x = 6,859,253.32
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.