Finding the Fourth Proportional to 2,305,531.20, 3,458,296.80 and 1,107,164.55
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Solution
The fourth proportional to 2,305,531.20, 3,458,296.80 and 1,107,164.55 is: 1,660,746.83
Step by Step Solution
- Step 1: Write the proportion equation
2,305,531.20 : 3,458,296.80 = 1,107,164.55 : x - Step 2: Convert to fraction form
2,305,531.20/3,458,296.80 = 1,107,164.55/x - Step 3: Cross multiply
2,305,531.20x = 3,458,296.80 × 1,107,164.55 - Step 4: Simplify right side
2,305,531.20x = 3,828,903,620,338.44 - Step 5: Solve for x
x = 3,828,903,620,338.44/2,305,531.20 - Step 6: Final answer
x = 1,660,746.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.