Finding the Fourth Proportional to 1,512,342.84, 2,087,080.38 and 867,880.92
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Solution
The fourth proportional to 1,512,342.84, 2,087,080.38 and 867,880.92 is: 1,197,702.79
Step by Step Solution
- Step 1: Write the proportion equation
1,512,342.84 : 2,087,080.38 = 867,880.92 : x - Step 2: Convert to fraction form
1,512,342.84/2,087,080.38 = 867,880.92/x - Step 3: Cross multiply
1,512,342.84x = 2,087,080.38 × 867,880.92 - Step 4: Simplify right side
1,512,342.84x = 1,811,337,240,308.35 - Step 5: Solve for x
x = 1,811,337,240,308.35/1,512,342.84 - Step 6: Final answer
x = 1,197,702.79
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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.