Finding the Fourth Proportional to 2,880,125.80, 3,974,496.60 and 1,590,938.44
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Solution
The fourth proportional to 2,880,125.80, 3,974,496.60 and 1,590,938.44 is: 2,195,452.51
Step by Step Solution
- Step 1: Write the proportion equation
2,880,125.80 : 3,974,496.60 = 1,590,938.44 : x - Step 2: Convert to fraction form
2,880,125.80/3,974,496.60 = 1,590,938.44/x - Step 3: Cross multiply
2,880,125.80x = 3,974,496.60 × 1,590,938.44 - Step 4: Simplify right side
2,880,125.80x = 6,323,179,420,589.30 - Step 5: Solve for x
x = 6,323,179,420,589.30/2,880,125.80 - Step 6: Final answer
x = 2,195,452.51
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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.