Finding the Fourth Proportional to 1,591,382, 2,196,107.16 and 875,990
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Solution
The fourth proportional to 1,591,382, 2,196,107.16 and 875,990 is: 1,208,866.20
Step by Step Solution
- Step 1: Write the proportion equation
1,591,382 : 2,196,107.16 = 875,990 : x - Step 2: Convert to fraction form
1,591,382/2,196,107.16 = 875,990/x - Step 3: Cross multiply
1,591,382x = 2,196,107.16 × 875,990 - Step 4: Simplify right side
1,591,382x = 1,923,767,911,088.40 - Step 5: Solve for x
x = 1,923,767,911,088.40/1,591,382 - Step 6: Final answer
x = 1,208,866.20
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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.