Finding the Fourth Proportional to 4,080,603.30, 6,120,904.95 and 3,450,747.30
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Solution
The fourth proportional to 4,080,603.30, 6,120,904.95 and 3,450,747.30 is: 5,176,120.95
Step by Step Solution
- Step 1: Write the proportion equation
4,080,603.30 : 6,120,904.95 = 3,450,747.30 : x - Step 2: Convert to fraction form
4,080,603.30/6,120,904.95 = 3,450,747.30/x - Step 3: Cross multiply
4,080,603.30x = 6,120,904.95 × 3,450,747.30 - Step 4: Simplify right side
4,080,603.30x = 21,121,696,229,769.13 - Step 5: Solve for x
x = 21,121,696,229,769.13/4,080,603.30 - Step 6: Final answer
x = 5,176,120.95
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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.