Finding the Fourth Proportional to 5,135,686.56, 7,087,160.22 and 2,843,798.04
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Solution
The fourth proportional to 5,135,686.56, 7,087,160.22 and 2,843,798.04 is: 3,924,392.99
Step by Step Solution
- Step 1: Write the proportion equation
5,135,686.56 : 7,087,160.22 = 2,843,798.04 : x - Step 2: Convert to fraction form
5,135,686.56/7,087,160.22 = 2,843,798.04/x - Step 3: Cross multiply
5,135,686.56x = 7,087,160.22 × 2,843,798.04 - Step 4: Simplify right side
5,135,686.56x = 20,154,452,342,801.97 - Step 5: Solve for x
x = 20,154,452,342,801.97/5,135,686.56 - Step 6: Final answer
x = 3,924,392.99
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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.