Finding the Fourth Proportional to 2,603,406.11, 3,907,627.95 and 1,256,516.87
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Solution
The fourth proportional to 2,603,406.11, 3,907,627.95 and 1,256,516.87 is: 1,885,990.97
Step by Step Solution
- Step 1: Write the proportion equation
2,603,406.11 : 3,907,627.95 = 1,256,516.87 : x - Step 2: Convert to fraction form
2,603,406.11/3,907,627.95 = 1,256,516.87/x - Step 3: Cross multiply
2,603,406.11x = 3,907,627.95 × 1,256,516.87 - Step 4: Simplify right side
2,603,406.11x = 4,910,000,415,037.79 - Step 5: Solve for x
x = 4,910,000,415,037.79/2,603,406.11 - Step 6: Final answer
x = 1,885,990.97
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.