Finding the Fourth Proportional to 1,469,296.12, 2,027,560.40 and 815,963.62
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Solution
The fourth proportional to 1,469,296.12, 2,027,560.40 and 815,963.62 is: 1,125,991.89
Step by Step Solution
- Step 1: Write the proportion equation
1,469,296.12 : 2,027,560.40 = 815,963.62 : x - Step 2: Convert to fraction form
1,469,296.12/2,027,560.40 = 815,963.62/x - Step 3: Cross multiply
1,469,296.12x = 2,027,560.40 × 815,963.62 - Step 4: Simplify right side
1,469,296.12x = 1,654,415,519,672.83 - Step 5: Solve for x
x = 1,654,415,519,672.83/1,469,296.12 - Step 6: Final answer
x = 1,125,991.89
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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.