Finding the Fourth Proportional to 5,686,451.20, 8,548,339.20 and 4,015,129.60
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Solution
The fourth proportional to 5,686,451.20, 8,548,339.20 and 4,015,129.60 is: 6,035,871.68
Step by Step Solution
- Step 1: Write the proportion equation
5,686,451.20 : 8,548,339.20 = 4,015,129.60 : x - Step 2: Convert to fraction form
5,686,451.20/8,548,339.20 = 4,015,129.60/x - Step 3: Cross multiply
5,686,451.20x = 8,548,339.20 × 4,015,129.60 - Step 4: Simplify right side
5,686,451.20x = 34,322,689,752,760.32 - Step 5: Solve for x
x = 34,322,689,752,760.32/5,686,451.20 - Step 6: Final answer
x = 6,035,871.68
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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.