Finding the Fourth Proportional to 5,204,965.34, 7,183,076.68 and 2,881,857.86
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Solution
The fourth proportional to 5,204,965.34, 7,183,076.68 and 2,881,857.86 is: 3,977,088.15
Step by Step Solution
- Step 1: Write the proportion equation
5,204,965.34 : 7,183,076.68 = 2,881,857.86 : x - Step 2: Convert to fraction form
5,204,965.34/7,183,076.68 = 2,881,857.86/x - Step 3: Cross multiply
5,204,965.34x = 7,183,076.68 × 2,881,857.86 - Step 4: Simplify right side
5,204,965.34x = 20,700,605,989,240.70 - Step 5: Solve for x
x = 20,700,605,989,240.70/5,204,965.34 - Step 6: Final answer
x = 3,977,088.15
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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.