Finding the Fourth Proportional to 5,090,891.34, 7,634,335.92 and 1,851,660.06
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Solution
The fourth proportional to 5,090,891.34, 7,634,335.92 and 1,851,660.06 is: 2,776,762.25
Step by Step Solution
- Step 1: Write the proportion equation
5,090,891.34 : 7,634,335.92 = 1,851,660.06 : x - Step 2: Convert to fraction form
5,090,891.34/7,634,335.92 = 1,851,660.06/x - Step 3: Cross multiply
5,090,891.34x = 7,634,335.92 × 1,851,660.06 - Step 4: Simplify right side
5,090,891.34x = 14,136,194,907,687.36 - Step 5: Solve for x
x = 14,136,194,907,687.36/5,090,891.34 - Step 6: Final answer
x = 2,776,762.25
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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.