Finding the Fourth Proportional to 1,686,306.96, 2,529,464.76 and 689,034.96
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Solution
The fourth proportional to 1,686,306.96, 2,529,464.76 and 689,034.96 is: 1,033,554.21
Step by Step Solution
- Step 1: Write the proportion equation
1,686,306.96 : 2,529,464.76 = 689,034.96 : x - Step 2: Convert to fraction form
1,686,306.96/2,529,464.76 = 689,034.96/x - Step 3: Cross multiply
1,686,306.96x = 2,529,464.76 × 689,034.96 - Step 4: Simplify right side
1,686,306.96x = 1,742,889,649,728.01 - Step 5: Solve for x
x = 1,742,889,649,728.01/1,686,306.96 - Step 6: Final answer
x = 1,033,554.21
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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.