Finding the Fourth Proportional to 4,936,964.82, 6,813,641.70 and 2,761,628.82
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Solution
The fourth proportional to 4,936,964.82, 6,813,641.70 and 2,761,628.82 is: 3,811,400.32
Step by Step Solution
- Step 1: Write the proportion equation
4,936,964.82 : 6,813,641.70 = 2,761,628.82 : x - Step 2: Convert to fraction form
4,936,964.82/6,813,641.70 = 2,761,628.82/x - Step 3: Cross multiply
4,936,964.82x = 6,813,641.70 × 2,761,628.82 - Step 4: Simplify right side
4,936,964.82x = 18,816,749,287,873.79 - Step 5: Solve for x
x = 18,816,749,287,873.79/4,936,964.82 - Step 6: Final answer
x = 3,811,400.32
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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.