Finding the Fourth Proportional to 1,508,435.19, 2,081,517.26 and 888,142.23
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Solution
The fourth proportional to 1,508,435.19, 2,081,517.26 and 888,142.23 is: 1,225,563.68
Step by Step Solution
- Step 1: Write the proportion equation
1,508,435.19 : 2,081,517.26 = 888,142.23 : x - Step 2: Convert to fraction form
1,508,435.19/2,081,517.26 = 888,142.23/x - Step 3: Cross multiply
1,508,435.19x = 2,081,517.26 × 888,142.23 - Step 4: Simplify right side
1,508,435.19x = 1,848,683,376,639.18 - Step 5: Solve for x
x = 1,848,683,376,639.18/1,508,435.19 - Step 6: Final answer
x = 1,225,563.68
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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.