Finding the Fourth Proportional to 1,765,673.84, 2,436,461.34 and 991,127.18
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Solution
The fourth proportional to 1,765,673.84, 2,436,461.34 and 991,127.18 is: 1,367,660.89
Step by Step Solution
- Step 1: Write the proportion equation
1,765,673.84 : 2,436,461.34 = 991,127.18 : x - Step 2: Convert to fraction form
1,765,673.84/2,436,461.34 = 991,127.18/x - Step 3: Cross multiply
1,765,673.84x = 2,436,461.34 × 991,127.18 - Step 4: Simplify right side
1,765,673.84x = 2,414,843,057,093.22 - Step 5: Solve for x
x = 2,414,843,057,093.22/1,765,673.84 - Step 6: Final answer
x = 1,367,660.89
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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.