Finding the Fourth Proportional to 2,226,519, 3,072,602.16 and 1,207,923.75
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Solution
The fourth proportional to 2,226,519, 3,072,602.16 and 1,207,923.75 is: 1,666,938.00
Step by Step Solution
- Step 1: Write the proportion equation
2,226,519 : 3,072,602.16 = 1,207,923.75 : x - Step 2: Convert to fraction form
2,226,519/3,072,602.16 = 1,207,923.75/x - Step 3: Cross multiply
2,226,519x = 3,072,602.16 × 1,207,923.75 - Step 4: Simplify right side
2,226,519x = 3,711,469,123,365.30 - Step 5: Solve for x
x = 3,711,469,123,365.30/2,226,519 - Step 6: Final answer
x = 1,666,938.00
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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.