Finding the Fourth Proportional to 6,141,878.38, 8,475,821.66 and 3,388,565.68
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Solution
The fourth proportional to 6,141,878.38, 8,475,821.66 and 3,388,565.68 is: 4,676,236.91
Step by Step Solution
- Step 1: Write the proportion equation
6,141,878.38 : 8,475,821.66 = 3,388,565.68 : x - Step 2: Convert to fraction form
6,141,878.38/8,475,821.66 = 3,388,565.68/x - Step 3: Cross multiply
6,141,878.38x = 8,475,821.66 × 3,388,565.68 - Step 4: Simplify right side
6,141,878.38x = 28,720,878,386,876.63 - Step 5: Solve for x
x = 28,720,878,386,876.63/6,141,878.38 - Step 6: Final answer
x = 4,676,236.91
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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.