Finding the Fourth Proportional to 2,805,720.28, 3,873,182.46 and 1,644,005.08
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Solution
The fourth proportional to 2,805,720.28, 3,873,182.46 and 1,644,005.08 is: 2,269,481.99
Step by Step Solution
- Step 1: Write the proportion equation
2,805,720.28 : 3,873,182.46 = 1,644,005.08 : x - Step 2: Convert to fraction form
2,805,720.28/3,873,182.46 = 1,644,005.08/x - Step 3: Cross multiply
2,805,720.28x = 3,873,182.46 × 1,644,005.08 - Step 4: Simplify right side
2,805,720.28x = 6,367,531,640,006.90 - Step 5: Solve for x
x = 6,367,531,640,006.90/2,805,720.28 - Step 6: Final answer
x = 2,269,481.99
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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.