Finding the Fourth Proportional to 6,244,060.49, 8,614,277.62 and 4,151,905.21
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Solution
The fourth proportional to 6,244,060.49, 8,614,277.62 and 4,151,905.21 is: 5,727,949.66
Step by Step Solution
- Step 1: Write the proportion equation
6,244,060.49 : 8,614,277.62 = 4,151,905.21 : x - Step 2: Convert to fraction form
6,244,060.49/8,614,277.62 = 4,151,905.21/x - Step 3: Cross multiply
6,244,060.49x = 8,614,277.62 × 4,151,905.21 - Step 4: Simplify right side
6,244,060.49x = 35,765,664,130,864.40 - Step 5: Solve for x
x = 35,765,664,130,864.40/6,244,060.49 - Step 6: Final answer
x = 5,727,949.66
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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.