Finding the Fourth Proportional to 5,820,410.28, 8,029,278.18 and 3,889,260.12
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Solution
The fourth proportional to 5,820,410.28, 8,029,278.18 and 3,889,260.12 is: 5,365,249.17
Step by Step Solution
- Step 1: Write the proportion equation
5,820,410.28 : 8,029,278.18 = 3,889,260.12 : x - Step 2: Convert to fraction form
5,820,410.28/8,029,278.18 = 3,889,260.12/x - Step 3: Cross multiply
5,820,410.28x = 8,029,278.18 × 3,889,260.12 - Step 4: Simplify right side
5,820,410.28x = 31,227,951,417,860.18 - Step 5: Solve for x
x = 31,227,951,417,860.18/5,820,410.28 - Step 6: Final answer
x = 5,365,249.17
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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.