Finding the Fourth Proportional to 1,867,528.60, 2,801,292.90 and 1,853,531.80
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Solution
The fourth proportional to 1,867,528.60, 2,801,292.90 and 1,853,531.80 is: 2,780,297.70
Step by Step Solution
- Step 1: Write the proportion equation
1,867,528.60 : 2,801,292.90 = 1,853,531.80 : x - Step 2: Convert to fraction form
1,867,528.60/2,801,292.90 = 1,853,531.80/x - Step 3: Cross multiply
1,867,528.60x = 2,801,292.90 × 1,853,531.80 - Step 4: Simplify right side
1,867,528.60x = 5,192,285,471,264.22 - Step 5: Solve for x
x = 5,192,285,471,264.22/1,867,528.60 - Step 6: Final answer
x = 2,780,297.70
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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.