Finding the Fourth Proportional to 1,676,288.24, 2,313,326.82 and 912,391.28
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Solution
The fourth proportional to 1,676,288.24, 2,313,326.82 and 912,391.28 is: 1,259,126.66
Step by Step Solution
- Step 1: Write the proportion equation
1,676,288.24 : 2,313,326.82 = 912,391.28 : x - Step 2: Convert to fraction form
1,676,288.24/2,313,326.82 = 912,391.28/x - Step 3: Cross multiply
1,676,288.24x = 2,313,326.82 × 912,391.28 - Step 4: Simplify right side
1,676,288.24x = 2,110,659,218,358.13 - Step 5: Solve for x
x = 2,110,659,218,358.13/1,676,288.24 - Step 6: Final answer
x = 1,259,126.66
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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.