Finding the Fourth Proportional to 2,162,346.08, 2,984,099.88 and 1,195,538.79
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Solution
The fourth proportional to 2,162,346.08, 2,984,099.88 and 1,195,538.79 is: 1,649,877.96
Step by Step Solution
- Step 1: Write the proportion equation
2,162,346.08 : 2,984,099.88 = 1,195,538.79 : x - Step 2: Convert to fraction form
2,162,346.08/2,984,099.88 = 1,195,538.79/x - Step 3: Cross multiply
2,162,346.08x = 2,984,099.88 × 1,195,538.79 - Step 4: Simplify right side
2,162,346.08x = 3,567,607,144,853.85 - Step 5: Solve for x
x = 3,567,607,144,853.85/2,162,346.08 - Step 6: Final answer
x = 1,649,877.96
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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.