Finding the Fourth Proportional to 2,955,977.42, 4,080,622.06 and 1,732,113.08
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Solution
The fourth proportional to 2,955,977.42, 4,080,622.06 and 1,732,113.08 is: 2,391,120.72
Step by Step Solution
- Step 1: Write the proportion equation
2,955,977.42 : 4,080,622.06 = 1,732,113.08 : x - Step 2: Convert to fraction form
2,955,977.42/4,080,622.06 = 1,732,113.08/x - Step 3: Cross multiply
2,955,977.42x = 4,080,622.06 × 1,732,113.08 - Step 4: Simplify right side
2,955,977.42x = 7,068,098,836,855.34 - Step 5: Solve for x
x = 7,068,098,836,855.34/2,955,977.42 - Step 6: Final answer
x = 2,391,120.72
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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.