Finding the Fourth Proportional to 1,880,996.64, 2,595,790.61 and 1,021,563.05
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Solution
The fourth proportional to 1,880,996.64, 2,595,790.61 and 1,021,563.05 is: 1,409,765.28
Step by Step Solution
- Step 1: Write the proportion equation
1,880,996.64 : 2,595,790.61 = 1,021,563.05 : x - Step 2: Convert to fraction form
1,880,996.64/2,595,790.61 = 1,021,563.05/x - Step 3: Cross multiply
1,880,996.64x = 2,595,790.61 × 1,021,563.05 - Step 4: Simplify right side
1,880,996.64x = 2,651,763,754,626.19 - Step 5: Solve for x
x = 2,651,763,754,626.19/1,880,996.64 - Step 6: Final answer
x = 1,409,765.28
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.