Finding the Fourth Proportional to 1,603,402.20, 2,212,694.55 and 878,295.06
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Solution
The fourth proportional to 1,603,402.20, 2,212,694.55 and 878,295.06 is: 1,212,046.92
Step by Step Solution
- Step 1: Write the proportion equation
1,603,402.20 : 2,212,694.55 = 878,295.06 : x - Step 2: Convert to fraction form
1,603,402.20/2,212,694.55 = 878,295.06/x - Step 3: Cross multiply
1,603,402.20x = 2,212,694.55 × 878,295.06 - Step 4: Simplify right side
1,603,402.20x = 1,943,398,692,553.92 - Step 5: Solve for x
x = 1,943,398,692,553.92/1,603,402.20 - Step 6: Final answer
x = 1,212,046.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.