Finding the Fourth Proportional to 1,621,404.72, 2,237,537.79 and 896,252.76
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Solution
The fourth proportional to 1,621,404.72, 2,237,537.79 and 896,252.76 is: 1,236,828.41
Step by Step Solution
- Step 1: Write the proportion equation
1,621,404.72 : 2,237,537.79 = 896,252.76 : x - Step 2: Convert to fraction form
1,621,404.72/2,237,537.79 = 896,252.76/x - Step 3: Cross multiply
1,621,404.72x = 2,237,537.79 × 896,252.76 - Step 4: Simplify right side
1,621,404.72x = 2,005,399,419,891.80 - Step 5: Solve for x
x = 2,005,399,419,891.80/1,621,404.72 - Step 6: Final answer
x = 1,236,828.41
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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.