Finding the Fourth Proportional to 1,603,875.97, 2,213,348.79 and 878,751.19
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Solution
The fourth proportional to 1,603,875.97, 2,213,348.79 and 878,751.19 is: 1,212,676.62
Step by Step Solution
- Step 1: Write the proportion equation
1,603,875.97 : 2,213,348.79 = 878,751.19 : x - Step 2: Convert to fraction form
1,603,875.97/2,213,348.79 = 878,751.19/x - Step 3: Cross multiply
1,603,875.97x = 2,213,348.79 × 878,751.19 - Step 4: Simplify right side
1,603,875.97x = 1,944,982,883,097.56 - Step 5: Solve for x
x = 1,944,982,883,097.56/1,603,875.97 - Step 6: Final answer
x = 1,212,676.62
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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.