Finding the Fourth Proportional to 1,761,972, 2,431,315.08 and 1,036,660.20
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Solution
The fourth proportional to 1,761,972, 2,431,315.08 and 1,036,660.20 is: 1,430,469.71
Step by Step Solution
- Step 1: Write the proportion equation
1,761,972 : 2,431,315.08 = 1,036,660.20 : x - Step 2: Convert to fraction form
1,761,972/2,431,315.08 = 1,036,660.20/x - Step 3: Cross multiply
1,761,972x = 2,431,315.08 × 1,036,660.20 - Step 4: Simplify right side
1,761,972x = 2,520,447,577,095.82 - Step 5: Solve for x
x = 2,520,447,577,095.82/1,761,972 - Step 6: Final answer
x = 1,430,469.71
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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.