Finding the Fourth Proportional to 5,135,661.02, 7,087,125.07 and 2,843,772.50
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Solution
The fourth proportional to 5,135,661.02, 7,087,125.07 and 2,843,772.50 is: 3,924,357.80
Step by Step Solution
- Step 1: Write the proportion equation
5,135,661.02 : 7,087,125.07 = 2,843,772.50 : x - Step 2: Convert to fraction form
5,135,661.02/7,087,125.07 = 2,843,772.50/x - Step 3: Cross multiply
5,135,661.02x = 7,087,125.07 × 2,843,772.50 - Step 4: Simplify right side
5,135,661.02x = 20,154,171,399,399.10 - Step 5: Solve for x
x = 20,154,171,399,399.10/5,135,661.02 - Step 6: Final answer
x = 3,924,357.80
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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.