Finding the Fourth Proportional to 1,821,135.48, 2,731,701.78 and 473,185.08
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Solution
The fourth proportional to 1,821,135.48, 2,731,701.78 and 473,185.08 is: 709,777.25
Step by Step Solution
- Step 1: Write the proportion equation
1,821,135.48 : 2,731,701.78 = 473,185.08 : x - Step 2: Convert to fraction form
1,821,135.48/2,731,701.78 = 473,185.08/x - Step 3: Cross multiply
1,821,135.48x = 2,731,701.78 × 473,185.08 - Step 4: Simplify right side
1,821,135.48x = 1,292,600,525,305.44 - Step 5: Solve for x
x = 1,292,600,525,305.44/1,821,135.48 - Step 6: Final answer
x = 709,777.25
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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.