Finding the Fourth Proportional to 5,135,801.84, 7,086,711.48 and 2,843,903.60
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Solution
The fourth proportional to 5,135,801.84, 7,086,711.48 and 2,843,903.60 is: 3,924,202.09
Step by Step Solution
- Step 1: Write the proportion equation
5,135,801.84 : 7,086,711.48 = 2,843,903.60 : x - Step 2: Convert to fraction form
5,135,801.84/7,086,711.48 = 2,843,903.60/x - Step 3: Cross multiply
5,135,801.84x = 7,086,711.48 × 2,843,903.60 - Step 4: Simplify right side
5,135,801.84x = 20,153,924,290,133.33 - Step 5: Solve for x
x = 20,153,924,290,133.33/5,135,801.84 - Step 6: Final answer
x = 3,924,202.09
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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.