Finding the Fourth Proportional to 3,269,815.64, 4,509,789.28 and 2,124,265.08
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Solution
The fourth proportional to 3,269,815.64, 4,509,789.28 and 2,124,265.08 is: 2,929,825.09
Step by Step Solution
- Step 1: Write the proportion equation
3,269,815.64 : 4,509,789.28 = 2,124,265.08 : x - Step 2: Convert to fraction form
3,269,815.64/4,509,789.28 = 2,124,265.08/x - Step 3: Cross multiply
3,269,815.64x = 4,509,789.28 × 2,124,265.08 - Step 4: Simplify right side
3,269,815.64x = 9,579,987,885,662.34 - Step 5: Solve for x
x = 9,579,987,885,662.34/3,269,815.64 - Step 6: Final answer
x = 2,929,825.09
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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.