Finding the Fourth Proportional to 2,378,529.21, 3,282,372.51 and 1,290,801
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Solution
The fourth proportional to 2,378,529.21, 3,282,372.51 and 1,290,801 is: 1,781,306.57
Step by Step Solution
- Step 1: Write the proportion equation
2,378,529.21 : 3,282,372.51 = 1,290,801 : x - Step 2: Convert to fraction form
2,378,529.21/3,282,372.51 = 1,290,801/x - Step 3: Cross multiply
2,378,529.21x = 3,282,372.51 × 1,290,801 - Step 4: Simplify right side
2,378,529.21x = 4,236,889,718,280.51 - Step 5: Solve for x
x = 4,236,889,718,280.51/2,378,529.21 - Step 6: Final answer
x = 1,781,306.57
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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.