Finding the Fourth Proportional to 6,474,723.28, 8,935,010.58 and 3,574,039.12
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Solution
The fourth proportional to 6,474,723.28, 8,935,010.58 and 3,574,039.12 is: 4,932,114.62
Step by Step Solution
- Step 1: Write the proportion equation
6,474,723.28 : 8,935,010.58 = 3,574,039.12 : x - Step 2: Convert to fraction form
6,474,723.28/8,935,010.58 = 3,574,039.12/x - Step 3: Cross multiply
6,474,723.28x = 8,935,010.58 × 3,574,039.12 - Step 4: Simplify right side
6,474,723.28x = 31,934,077,350,533.89 - Step 5: Solve for x
x = 31,934,077,350,533.89/6,474,723.28 - Step 6: Final answer
x = 4,932,114.62
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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.