Finding the Fourth Proportional to 2,486,809.40, 3,735,743.70 and 2,392,806.20
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Solution
The fourth proportional to 2,486,809.40, 3,735,743.70 and 2,392,806.20 is: 3,594,529.88
Step by Step Solution
- Step 1: Write the proportion equation
2,486,809.40 : 3,735,743.70 = 2,392,806.20 : x - Step 2: Convert to fraction form
2,486,809.40/3,735,743.70 = 2,392,806.20/x - Step 3: Cross multiply
2,486,809.40x = 3,735,743.70 × 2,392,806.20 - Step 4: Simplify right side
2,486,809.40x = 8,938,910,686,970.94 - Step 5: Solve for x
x = 8,938,910,686,970.94/2,486,809.40 - Step 6: Final answer
x = 3,594,529.88
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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.