Finding the Fourth Proportional to 2,370,415.22, 3,271,181.68 and 1,282,686.81
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Solution
The fourth proportional to 2,370,415.22, 3,271,181.68 and 1,282,686.81 is: 1,770,112.49
Step by Step Solution
- Step 1: Write the proportion equation
2,370,415.22 : 3,271,181.68 = 1,282,686.81 : x - Step 2: Convert to fraction form
2,370,415.22/3,271,181.68 = 1,282,686.81/x - Step 3: Cross multiply
2,370,415.22x = 3,271,181.68 × 1,282,686.81 - Step 4: Simplify right side
2,370,415.22x = 4,195,901,576,170.95 - Step 5: Solve for x
x = 4,195,901,576,170.95/2,370,415.22 - Step 6: Final answer
x = 1,770,112.49
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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.