Finding the Fourth Proportional to 2,052,309.80, 3,078,464.70 and 853,833.80
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Solution
The fourth proportional to 2,052,309.80, 3,078,464.70 and 853,833.80 is: 1,280,750.70
Step by Step Solution
- Step 1: Write the proportion equation
2,052,309.80 : 3,078,464.70 = 853,833.80 : x - Step 2: Convert to fraction form
2,052,309.80/3,078,464.70 = 853,833.80/x - Step 3: Cross multiply
2,052,309.80x = 3,078,464.70 × 853,833.80 - Step 4: Simplify right side
2,052,309.80x = 2,628,497,212,966.86 - Step 5: Solve for x
x = 2,628,497,212,966.86/2,052,309.80 - Step 6: Final answer
x = 1,280,750.70
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1.5x scale
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.