Finding the Fourth Proportional to 1,603,288.08, 2,212,538.49 and 878,135.58
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Solution
The fourth proportional to 1,603,288.08, 2,212,538.49 and 878,135.58 is: 1,211,827.62
Step by Step Solution
- Step 1: Write the proportion equation
1,603,288.08 : 2,212,538.49 = 878,135.58 : x - Step 2: Convert to fraction form
1,603,288.08/2,212,538.49 = 878,135.58/x - Step 3: Cross multiply
1,603,288.08x = 2,212,538.49 × 878,135.58 - Step 4: Simplify right side
1,603,288.08x = 1,942,908,770,188.47 - Step 5: Solve for x
x = 1,942,908,770,188.47/1,603,288.08 - Step 6: Final answer
x = 1,211,827.62
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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.