Finding the Fourth Proportional to 6,638,977.19, 9,162,661.59 and 3,738,935.00
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Solution
The fourth proportional to 6,638,977.19, 9,162,661.59 and 3,738,935.00 is: 5,160,221.99
Step by Step Solution
- Step 1: Write the proportion equation
6,638,977.19 : 9,162,661.59 = 3,738,935.00 : x - Step 2: Convert to fraction form
6,638,977.19/9,162,661.59 = 3,738,935.00/x - Step 3: Cross multiply
6,638,977.19x = 9,162,661.59 × 3,738,935.00 - Step 4: Simplify right side
6,638,977.19x = 34,258,596,066,193.34 - Step 5: Solve for x
x = 34,258,596,066,193.34/6,638,977.19 - Step 6: Final answer
x = 5,160,221.99
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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.