Finding the Fourth Proportional to 1,867,259.80, 2,800,233.60 and 856,865.80
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Solution
The fourth proportional to 1,867,259.80, 2,800,233.60 and 856,865.80 is: 1,284,997.62
Step by Step Solution
- Step 1: Write the proportion equation
1,867,259.80 : 2,800,233.60 = 856,865.80 : x - Step 2: Convert to fraction form
1,867,259.80/2,800,233.60 = 856,865.80/x - Step 3: Cross multiply
1,867,259.80x = 2,800,233.60 × 856,865.80 - Step 4: Simplify right side
1,867,259.80x = 2,399,424,403,850.88 - Step 5: Solve for x
x = 2,399,424,403,850.88/1,867,259.80 - Step 6: Final answer
x = 1,284,997.62
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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.