Finding the Fourth Proportional to 2,046,015.30, 2,823,439.33 and 1,128,243.99
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Solution
The fourth proportional to 2,046,015.30, 2,823,439.33 and 1,128,243.99 is: 1,556,942.63
Step by Step Solution
- Step 1: Write the proportion equation
2,046,015.30 : 2,823,439.33 = 1,128,243.99 : x - Step 2: Convert to fraction form
2,046,015.30/2,823,439.33 = 1,128,243.99/x - Step 3: Cross multiply
2,046,015.30x = 2,823,439.33 × 1,128,243.99 - Step 4: Simplify right side
2,046,015.30x = 3,185,528,449,560.91 - Step 5: Solve for x
x = 3,185,528,449,560.91/2,046,015.30 - Step 6: Final answer
x = 1,556,942.63
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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.