Finding the Fourth Proportional to 2,293,817.70, 3,165,549.75 and 1,261,403.99
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Solution
The fourth proportional to 2,293,817.70, 3,165,549.75 and 1,261,403.99 is: 1,740,782.22
Step by Step Solution
- Step 1: Write the proportion equation
2,293,817.70 : 3,165,549.75 = 1,261,403.99 : x - Step 2: Convert to fraction form
2,293,817.70/3,165,549.75 = 1,261,403.99/x - Step 3: Cross multiply
2,293,817.70x = 3,165,549.75 × 1,261,403.99 - Step 4: Simplify right side
2,293,817.70x = 3,993,037,069,365.75 - Step 5: Solve for x
x = 3,993,037,069,365.75/2,293,817.70 - Step 6: Final answer
x = 1,740,782.22
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1.5x scale
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.