Finding the Fourth Proportional to 1,644,182.10, 2,463,940.35 and 1,214,363.70
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Solution
The fourth proportional to 1,644,182.10, 2,463,940.35 and 1,214,363.70 is: 1,819,822.59
Step by Step Solution
- Step 1: Write the proportion equation
1,644,182.10 : 2,463,940.35 = 1,214,363.70 : x - Step 2: Convert to fraction form
1,644,182.10/2,463,940.35 = 1,214,363.70/x - Step 3: Cross multiply
1,644,182.10x = 2,463,940.35 × 1,214,363.70 - Step 4: Simplify right side
1,644,182.10x = 2,992,119,720,005.30 - Step 5: Solve for x
x = 2,992,119,720,005.30/1,644,182.10 - Step 6: Final answer
x = 1,819,822.59
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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.