Finding the Fourth Proportional to 1,996,634.12, 2,756,685.08 and 1,181,099.79
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Solution
The fourth proportional to 1,996,634.12, 2,756,685.08 and 1,181,099.79 is: 1,630,704.47
Step by Step Solution
- Step 1: Write the proportion equation
1,996,634.12 : 2,756,685.08 = 1,181,099.79 : x - Step 2: Convert to fraction form
1,996,634.12/2,756,685.08 = 1,181,099.79/x - Step 3: Cross multiply
1,996,634.12x = 2,756,685.08 × 1,181,099.79 - Step 4: Simplify right side
1,996,634.12x = 3,255,920,172,036.88 - Step 5: Solve for x
x = 3,255,920,172,036.88/1,996,634.12 - Step 6: Final answer
x = 1,630,704.47
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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.