Finding the Fourth Proportional to 4,286,242.44, 6,424,892.46 and 1,445,378.04
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Solution
The fourth proportional to 4,286,242.44, 6,424,892.46 and 1,445,378.04 is: 2,166,559.31
Step by Step Solution
- Step 1: Write the proportion equation
4,286,242.44 : 6,424,892.46 = 1,445,378.04 : x - Step 2: Convert to fraction form
4,286,242.44/6,424,892.46 = 1,445,378.04/x - Step 3: Cross multiply
4,286,242.44x = 6,424,892.46 × 1,445,378.04 - Step 4: Simplify right side
4,286,242.44x = 9,286,398,471,045.58 - Step 5: Solve for x
x = 9,286,398,471,045.58/4,286,242.44 - Step 6: Final answer
x = 2,166,559.31
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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.