Finding the Fourth Proportional to 1,880,996.66, 2,595,790.64 and 1,021,563.07
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Solution
The fourth proportional to 1,880,996.66, 2,595,790.64 and 1,021,563.07 is: 1,409,765.32
Step by Step Solution
- Step 1: Write the proportion equation
1,880,996.66 : 2,595,790.64 = 1,021,563.07 : x - Step 2: Convert to fraction form
1,880,996.66/2,595,790.64 = 1,021,563.07/x - Step 3: Cross multiply
1,880,996.66x = 2,595,790.64 × 1,021,563.07 - Step 4: Simplify right side
1,880,996.66x = 2,651,763,851,340.10 - Step 5: Solve for x
x = 2,651,763,851,340.10/1,880,996.66 - Step 6: Final answer
x = 1,409,765.32
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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.