Finding the Fourth Proportional to 1,516,847.76, 2,093,237.48 and 828,520.07
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Solution
The fourth proportional to 1,516,847.76, 2,093,237.48 and 828,520.07 is: 1,143,350.90
Step by Step Solution
- Step 1: Write the proportion equation
1,516,847.76 : 2,093,237.48 = 828,520.07 : x - Step 2: Convert to fraction form
1,516,847.76/2,093,237.48 = 828,520.07/x - Step 3: Cross multiply
1,516,847.76x = 2,093,237.48 × 828,520.07 - Step 4: Simplify right side
1,516,847.76x = 1,734,289,248,847.44 - Step 5: Solve for x
x = 1,734,289,248,847.44/1,516,847.76 - Step 6: Final answer
x = 1,143,350.90
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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.