Finding the Fourth Proportional to 1,994,803.58, 2,996,634.05 and 1,237,204.91
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Solution
The fourth proportional to 1,994,803.58, 2,996,634.05 and 1,237,204.91 is: 1,858,554.09
Step by Step Solution
- Step 1: Write the proportion equation
1,994,803.58 : 2,996,634.05 = 1,237,204.91 : x - Step 2: Convert to fraction form
1,994,803.58/2,996,634.05 = 1,237,204.91/x - Step 3: Cross multiply
1,994,803.58x = 2,996,634.05 × 1,237,204.91 - Step 4: Simplify right side
1,994,803.58x = 3,707,450,353,947.16 - Step 5: Solve for x
x = 3,707,450,353,947.16/1,994,803.58 - Step 6: Final answer
x = 1,858,554.09
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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.