Finding the Fourth Proportional to 1,628,265.18, 2,439,314.97 and 1,086,889.06
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Solution
The fourth proportional to 1,628,265.18, 2,439,314.97 and 1,086,889.06 is: 1,628,275.78
Step by Step Solution
- Step 1: Write the proportion equation
1,628,265.18 : 2,439,314.97 = 1,086,889.06 : x - Step 2: Convert to fraction form
1,628,265.18/2,439,314.97 = 1,086,889.06/x - Step 3: Cross multiply
1,628,265.18x = 2,439,314.97 × 1,086,889.06 - Step 4: Simplify right side
1,628,265.18x = 2,651,264,754,787.23 - Step 5: Solve for x
x = 2,651,264,754,787.23/1,628,265.18 - Step 6: Final answer
x = 1,628,275.78
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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.