Finding the Fourth Proportional to 2,378,521.35, 3,282,361.64 and 1,290,793.10
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Solution
The fourth proportional to 2,378,521.35, 3,282,361.64 and 1,290,793.10 is: 1,781,295.65
Step by Step Solution
- Step 1: Write the proportion equation
2,378,521.35 : 3,282,361.64 = 1,290,793.10 : x - Step 2: Convert to fraction form
2,378,521.35/3,282,361.64 = 1,290,793.10/x - Step 3: Cross multiply
2,378,521.35x = 3,282,361.64 × 1,290,793.10 - Step 4: Simplify right side
2,378,521.35x = 4,236,849,733,750.91 - Step 5: Solve for x
x = 4,236,849,733,750.91/2,378,521.35 - Step 6: Final answer
x = 1,781,295.65
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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.