Finding the Fourth Proportional to 4,866,437.31, 6,715,550.52 and 2,690,906.08
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Solution
The fourth proportional to 4,866,437.31, 6,715,550.52 and 2,690,906.08 is: 3,713,376.86
Step by Step Solution
- Step 1: Write the proportion equation
4,866,437.31 : 6,715,550.52 = 2,690,906.08 : x - Step 2: Convert to fraction form
4,866,437.31/6,715,550.52 = 2,690,906.08/x - Step 3: Cross multiply
4,866,437.31x = 6,715,550.52 × 2,690,906.08 - Step 4: Simplify right side
4,866,437.31x = 18,070,915,691,237.41 - Step 5: Solve for x
x = 18,070,915,691,237.41/4,866,437.31 - Step 6: Final answer
x = 3,713,376.86
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1.5x scale
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.