Finding the Fourth Proportional to 6,669,339.33, 9,202,642.11 and 3,879,080.00
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Solution
The fourth proportional to 6,669,339.33, 9,202,642.11 and 3,879,080.00 is: 5,352,521.91
Step by Step Solution
- Step 1: Write the proportion equation
6,669,339.33 : 9,202,642.11 = 3,879,080.00 : x - Step 2: Convert to fraction form
6,669,339.33/9,202,642.11 = 3,879,080.00/x - Step 3: Cross multiply
6,669,339.33x = 9,202,642.11 × 3,879,080.00 - Step 4: Simplify right side
6,669,339.33x = 35,697,784,910,045.59 - Step 5: Solve for x
x = 35,697,784,910,045.59/6,669,339.33 - Step 6: Final answer
x = 5,352,521.91
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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.