Finding the Fourth Proportional to 6,151,828.13, 8,489,765.68 and 3,538,328.05
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Solution
The fourth proportional to 6,151,828.13, 8,489,765.68 and 3,538,328.05 is: 4,883,032.39
Step by Step Solution
- Step 1: Write the proportion equation
6,151,828.13 : 8,489,765.68 = 3,538,328.05 : x - Step 2: Convert to fraction form
6,151,828.13/8,489,765.68 = 3,538,328.05/x - Step 3: Cross multiply
6,151,828.13x = 8,489,765.68 × 3,538,328.05 - Step 4: Simplify right side
6,151,828.13x = 30,039,576,024,591.08 - Step 5: Solve for x
x = 30,039,576,024,591.08/6,151,828.13 - Step 6: Final answer
x = 4,883,032.39
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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.