Finding the Fourth Proportional to 1,515,796.84, 2,091,816.42 and 836,734.12
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Solution
The fourth proportional to 1,515,796.84, 2,091,816.42 and 836,734.12 is: 1,154,702.35
Step by Step Solution
- Step 1: Write the proportion equation
1,515,796.84 : 2,091,816.42 = 836,734.12 : x - Step 2: Convert to fraction form
1,515,796.84/2,091,816.42 = 836,734.12/x - Step 3: Cross multiply
1,515,796.84x = 2,091,816.42 × 836,734.12 - Step 4: Simplify right side
1,515,796.84x = 1,750,294,171,390.25 - Step 5: Solve for x
x = 1,750,294,171,390.25/1,515,796.84 - Step 6: Final answer
x = 1,154,702.35
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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.