Finding the Fourth Proportional to 8,251,579.30, 12,374,565.64 and 2,858,970.99
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Solution
The fourth proportional to 8,251,579.30, 12,374,565.64 and 2,858,970.99 is: 4,287,485.21
Step by Step Solution
- Step 1: Write the proportion equation
8,251,579.30 : 12,374,565.64 = 2,858,970.99 : x - Step 2: Convert to fraction form
8,251,579.30/12,374,565.64 = 2,858,970.99/x - Step 3: Cross multiply
8,251,579.30x = 12,374,565.64 × 2,858,970.99 - Step 4: Simplify right side
8,251,579.30x = 35,378,524,171,463.36 - Step 5: Solve for x
x = 35,378,524,171,463.36/8,251,579.30 - Step 6: Final answer
x = 4,287,485.21
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.