Finding the Fourth Proportional to 2,052,309.68, 2,832,191.20 and 1,146,891.68
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Solution
The fourth proportional to 2,052,309.68, 2,832,191.20 and 1,146,891.68 is: 1,582,712.67
Step by Step Solution
- Step 1: Write the proportion equation
2,052,309.68 : 2,832,191.20 = 1,146,891.68 : x - Step 2: Convert to fraction form
2,052,309.68/2,832,191.20 = 1,146,891.68/x - Step 3: Cross multiply
2,052,309.68x = 2,832,191.20 × 1,146,891.68 - Step 4: Simplify right side
2,052,309.68x = 3,248,216,523,449.22 - Step 5: Solve for x
x = 3,248,216,523,449.22/2,052,309.68 - Step 6: Final answer
x = 1,582,712.67
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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.