Finding the Fourth Proportional to 2,153,109.98, 3,229,557.66 and 805,173.49
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Solution
The fourth proportional to 2,153,109.98, 3,229,557.66 and 805,173.49 is: 1,207,720.10
Step by Step Solution
- Step 1: Write the proportion equation
2,153,109.98 : 3,229,557.66 = 805,173.49 : x - Step 2: Convert to fraction form
2,153,109.98/3,229,557.66 = 805,173.49/x - Step 3: Cross multiply
2,153,109.98x = 3,229,557.66 × 805,173.49 - Step 4: Simplify right side
2,153,109.98x = 2,600,354,204,947.70 - Step 5: Solve for x
x = 2,600,354,204,947.70/2,153,109.98 - Step 6: Final answer
x = 1,207,720.10
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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.