Finding the Fourth Proportional to 2,226,504.38, 3,072,581.98 and 1,207,909.13
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Solution
The fourth proportional to 2,226,504.38, 3,072,581.98 and 1,207,909.13 is: 1,666,917.82
Step by Step Solution
- Step 1: Write the proportion equation
2,226,504.38 : 3,072,581.98 = 1,207,909.13 : x - Step 2: Convert to fraction form
2,226,504.38/3,072,581.98 = 1,207,909.13/x - Step 3: Cross multiply
2,226,504.38x = 3,072,581.98 × 1,207,909.13 - Step 4: Simplify right side
2,226,504.38x = 3,711,399,807,932.80 - Step 5: Solve for x
x = 3,711,399,807,932.80/2,226,504.38 - Step 6: Final answer
x = 1,666,917.82
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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.