Finding the Fourth Proportional to 1,676,553.26, 2,313,643.77 and 912,606.75
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Solution
The fourth proportional to 1,676,553.26, 2,313,643.77 and 912,606.75 is: 1,259,397.47
Step by Step Solution
- Step 1: Write the proportion equation
1,676,553.26 : 2,313,643.77 = 912,606.75 : x - Step 2: Convert to fraction form
1,676,553.26/2,313,643.77 = 912,606.75/x - Step 3: Cross multiply
1,676,553.26x = 2,313,643.77 × 912,606.75 - Step 4: Simplify right side
1,676,553.26x = 2,111,446,921,597.45 - Step 5: Solve for x
x = 2,111,446,921,597.45/1,676,553.26 - Step 6: Final answer
x = 1,259,397.47
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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.