Finding the Fourth Proportional to 4,702,869.33, 7,053,961.38 and 2,109,976.99
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Solution
The fourth proportional to 4,702,869.33, 7,053,961.38 and 2,109,976.99 is: 3,164,811.77
Step by Step Solution
- Step 1: Write the proportion equation
4,702,869.33 : 7,053,961.38 = 2,109,976.99 : x - Step 2: Convert to fraction form
4,702,869.33/7,053,961.38 = 2,109,976.99/x - Step 3: Cross multiply
4,702,869.33x = 7,053,961.38 × 2,109,976.99 - Step 4: Simplify right side
4,702,869.33x = 14,883,696,200,148.65 - Step 5: Solve for x
x = 14,883,696,200,148.65/4,702,869.33 - Step 6: Final answer
x = 3,164,811.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.