Finding the Fourth Proportional to 1,670,379.48, 2,306,168.37 and 1,147,989.87
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Solution
The fourth proportional to 1,670,379.48, 2,306,168.37 and 1,147,989.87 is: 1,584,944.00
Step by Step Solution
- Step 1: Write the proportion equation
1,670,379.48 : 2,306,168.37 = 1,147,989.87 : x - Step 2: Convert to fraction form
1,670,379.48/2,306,168.37 = 1,147,989.87/x - Step 3: Cross multiply
1,670,379.48x = 2,306,168.37 × 1,147,989.87 - Step 4: Simplify right side
1,670,379.48x = 2,647,457,927,274.41 - Step 5: Solve for x
x = 2,647,457,927,274.41/1,670,379.48 - Step 6: Final answer
x = 1,584,944.00
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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.