Finding the Fourth Proportional to 5,126,268.08, 7,073,967.36 and 2,834,277.60
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Solution
The fourth proportional to 5,126,268.08, 7,073,967.36 and 2,834,277.60 is: 3,911,146.85
Step by Step Solution
- Step 1: Write the proportion equation
5,126,268.08 : 7,073,967.36 = 2,834,277.60 : x - Step 2: Convert to fraction form
5,126,268.08/7,073,967.36 = 2,834,277.60/x - Step 3: Cross multiply
5,126,268.08x = 7,073,967.36 × 2,834,277.60 - Step 4: Simplify right side
5,126,268.08x = 20,049,587,231,579.14 - Step 5: Solve for x
x = 20,049,587,231,579.14/5,126,268.08 - Step 6: Final answer
x = 3,911,146.85
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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.