Finding the Fourth Proportional to 1,994,044.16, 2,992,042.08 and 1,235,682.80
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Solution
The fourth proportional to 1,994,044.16, 2,992,042.08 and 1,235,682.80 is: 1,854,128.92
Step by Step Solution
- Step 1: Write the proportion equation
1,994,044.16 : 2,992,042.08 = 1,235,682.80 : x - Step 2: Convert to fraction form
1,994,044.16/2,992,042.08 = 1,235,682.80/x - Step 3: Cross multiply
1,994,044.16x = 2,992,042.08 × 1,235,682.80 - Step 4: Simplify right side
1,994,044.16x = 3,697,214,935,132.22 - Step 5: Solve for x
x = 3,697,214,935,132.22/1,994,044.16 - Step 6: Final answer
x = 1,854,128.92
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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.