Finding the Fourth Proportional to 1,971,187.44, 2,957,145.86 and 623,689.26
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Solution
The fourth proportional to 1,971,187.44, 2,957,145.86 and 623,689.26 is: 935,649.28
Step by Step Solution
- Step 1: Write the proportion equation
1,971,187.44 : 2,957,145.86 = 623,689.26 : x - Step 2: Convert to fraction form
1,971,187.44/2,957,145.86 = 623,689.26/x - Step 3: Cross multiply
1,971,187.44x = 2,957,145.86 × 623,689.26 - Step 4: Simplify right side
1,971,187.44x = 1,844,340,113,135.46 - Step 5: Solve for x
x = 1,844,340,113,135.46/1,971,187.44 - Step 6: Final answer
x = 935,649.28
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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.