Finding the Fourth Proportional to 2,880,125.55, 3,974,496.26 and 1,590,938.19
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Solution
The fourth proportional to 2,880,125.55, 3,974,496.26 and 1,590,938.19 is: 2,195,452.17
Step by Step Solution
- Step 1: Write the proportion equation
2,880,125.55 : 3,974,496.26 = 1,590,938.19 : x - Step 2: Convert to fraction form
2,880,125.55/3,974,496.26 = 1,590,938.19/x - Step 3: Cross multiply
2,880,125.55x = 3,974,496.26 × 1,590,938.19 - Step 4: Simplify right side
2,880,125.55x = 6,323,177,878,091.48 - Step 5: Solve for x
x = 6,323,177,878,091.48/2,880,125.55 - Step 6: Final answer
x = 2,195,452.17
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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.