Finding the Fourth Proportional to 6,313,752.71, 8,715,348.11 and 4,138,435.97
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Solution
The fourth proportional to 6,313,752.71, 8,715,348.11 and 4,138,435.97 is: 5,712,594.67
Step by Step Solution
- Step 1: Write the proportion equation
6,313,752.71 : 8,715,348.11 = 4,138,435.97 : x - Step 2: Convert to fraction form
6,313,752.71/8,715,348.11 = 4,138,435.97/x - Step 3: Cross multiply
6,313,752.71x = 8,715,348.11 × 4,138,435.97 - Step 4: Simplify right side
6,313,752.71x = 36,067,910,109,495.52 - Step 5: Solve for x
x = 36,067,910,109,495.52/6,313,752.71 - Step 6: Final answer
x = 5,712,594.67
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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.