Finding the Fourth Proportional to 5,099,768.37, 7,649,047.35 and 1,688,062.95
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Solution
The fourth proportional to 5,099,768.37, 7,649,047.35 and 1,688,062.95 is: 2,531,894.10
Step by Step Solution
- Step 1: Write the proportion equation
5,099,768.37 : 7,649,047.35 = 1,688,062.95 : x - Step 2: Convert to fraction form
5,099,768.37/7,649,047.35 = 1,688,062.95/x - Step 3: Cross multiply
5,099,768.37x = 7,649,047.35 × 1,688,062.95 - Step 4: Simplify right side
5,099,768.37x = 12,912,073,434,330.68 - Step 5: Solve for x
x = 12,912,073,434,330.68/5,099,768.37 - Step 6: Final answer
x = 2,531,894.10
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.