Finding the Fourth Proportional to 4,793,947.55, 6,615,608.30 and 2,618,492.08
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Solution
The fourth proportional to 4,793,947.55, 6,615,608.30 and 2,618,492.08 is: 3,613,497.59
Step by Step Solution
- Step 1: Write the proportion equation
4,793,947.55 : 6,615,608.30 = 2,618,492.08 : x - Step 2: Convert to fraction form
4,793,947.55/6,615,608.30 = 2,618,492.08/x - Step 3: Cross multiply
4,793,947.55x = 6,615,608.30 × 2,618,492.08 - Step 4: Simplify right side
4,793,947.55x = 17,322,917,937,932.26 - Step 5: Solve for x
x = 17,322,917,937,932.26/4,793,947.55 - Step 6: Final answer
x = 3,613,497.59
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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.