Finding the Fourth Proportional to 5,163,869.26, 7,125,914.88 and 2,840,614.50
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Solution
The fourth proportional to 5,163,869.26, 7,125,914.88 and 2,840,614.50 is: 3,919,924.41
Step by Step Solution
- Step 1: Write the proportion equation
5,163,869.26 : 7,125,914.88 = 2,840,614.50 : x - Step 2: Convert to fraction form
5,163,869.26/7,125,914.88 = 2,840,614.50/x - Step 3: Cross multiply
5,163,869.26x = 7,125,914.88 × 2,840,614.50 - Step 4: Simplify right side
5,163,869.26x = 20,241,977,133,893.76 - Step 5: Solve for x
x = 20,241,977,133,893.76/5,163,869.26 - Step 6: Final answer
x = 3,919,924.41
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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.