Finding the Fourth Proportional to 5,207,994, 7,185,869.36 and 3,143,344.48
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Solution
The fourth proportional to 5,207,994, 7,185,869.36 and 3,143,344.48 is: 4,337,113.83
Step by Step Solution
- Step 1: Write the proportion equation
5,207,994 : 7,185,869.36 = 3,143,344.48 : x - Step 2: Convert to fraction form
5,207,994/7,185,869.36 = 3,143,344.48/x - Step 3: Cross multiply
5,207,994x = 7,185,869.36 × 3,143,344.48 - Step 4: Simplify right side
5,207,994x = 22,587,662,786,757.13 - Step 5: Solve for x
x = 22,587,662,786,757.13/5,207,994 - Step 6: Final answer
x = 4,337,113.83
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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.