Finding the Fourth Proportional to 5,135,623.36, 7,087,373.84 and 2,843,784.05
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Solution
The fourth proportional to 5,135,623.36, 7,087,373.84 and 2,843,784.05 is: 3,924,540.27
Step by Step Solution
- Step 1: Write the proportion equation
5,135,623.36 : 7,087,373.84 = 2,843,784.05 : x - Step 2: Convert to fraction form
5,135,623.36/7,087,373.84 = 2,843,784.05/x - Step 3: Cross multiply
5,135,623.36x = 7,087,373.84 × 2,843,784.05 - Step 4: Simplify right side
5,135,623.36x = 20,154,960,654,251.84 - Step 5: Solve for x
x = 20,154,960,654,251.84/5,135,623.36 - Step 6: Final answer
x = 3,924,540.27
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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.