Finding the Fourth Proportional to 1,515,893.08, 2,091,919.62 and 836,815
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Solution
The fourth proportional to 1,515,893.08, 2,091,919.62 and 836,815 is: 1,154,797.62
Step by Step Solution
- Step 1: Write the proportion equation
1,515,893.08 : 2,091,919.62 = 836,815 : x - Step 2: Convert to fraction form
1,515,893.08/2,091,919.62 = 836,815/x - Step 3: Cross multiply
1,515,893.08x = 2,091,919.62 × 836,815 - Step 4: Simplify right side
1,515,893.08x = 1,750,549,716,810.30 - Step 5: Solve for x
x = 1,750,549,716,810.30/1,515,893.08 - Step 6: Final answer
x = 1,154,797.62
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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.