Finding the Fourth Proportional to 3,425,238.96, 5,138,579.88 and 1,295,275.92
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Solution
The fourth proportional to 3,425,238.96, 5,138,579.88 and 1,295,275.92 is: 1,943,186.70
Step by Step Solution
- Step 1: Write the proportion equation
3,425,238.96 : 5,138,579.88 = 1,295,275.92 : x - Step 2: Convert to fraction form
3,425,238.96/5,138,579.88 = 1,295,275.92/x - Step 3: Cross multiply
3,425,238.96x = 5,138,579.88 × 1,295,275.92 - Step 4: Simplify right side
3,425,238.96x = 6,655,878,781,560.49 - Step 5: Solve for x
x = 6,655,878,781,560.49/3,425,238.96 - Step 6: Final answer
x = 1,943,186.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.