Finding the Fourth Proportional to 5,135,697.96, 7,087,176 and 2,843,809.44
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Solution
The fourth proportional to 5,135,697.96, 7,087,176 and 2,843,809.44 is: 3,924,408.75
Step by Step Solution
- Step 1: Write the proportion equation
5,135,697.96 : 7,087,176 = 2,843,809.44 : x - Step 2: Convert to fraction form
5,135,697.96/7,087,176 = 2,843,809.44/x - Step 3: Cross multiply
5,135,697.96x = 7,087,176 × 2,843,809.44 - Step 4: Simplify right side
5,135,697.96x = 20,154,578,011,741.44 - Step 5: Solve for x
x = 20,154,578,011,741.44/5,135,697.96 - Step 6: Final answer
x = 3,924,408.75
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1.5x scale
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.