Finding the Fourth Proportional to 2,625,664.60, 3,938,496.90 and 1,491,923.80
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Solution
The fourth proportional to 2,625,664.60, 3,938,496.90 and 1,491,923.80 is: 2,237,885.70
Step by Step Solution
- Step 1: Write the proportion equation
2,625,664.60 : 3,938,496.90 = 1,491,923.80 : x - Step 2: Convert to fraction form
2,625,664.60/3,938,496.90 = 1,491,923.80/x - Step 3: Cross multiply
2,625,664.60x = 3,938,496.90 × 1,491,923.80 - Step 4: Simplify right side
2,625,664.60x = 5,875,937,261,336.22 - Step 5: Solve for x
x = 5,875,937,261,336.22/2,625,664.60 - Step 6: Final answer
x = 2,237,885.70
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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.