Finding the Fourth Proportional to 3,548,984.78, 5,323,474.66 and 853,309.08
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Solution
The fourth proportional to 3,548,984.78, 5,323,474.66 and 853,309.08 is: 1,279,963.02
Step by Step Solution
- Step 1: Write the proportion equation
3,548,984.78 : 5,323,474.66 = 853,309.08 : x - Step 2: Convert to fraction form
3,548,984.78/5,323,474.66 = 853,309.08/x - Step 3: Cross multiply
3,548,984.78x = 5,323,474.66 × 853,309.08 - Step 4: Simplify right side
3,548,984.78x = 4,542,569,263,994.60 - Step 5: Solve for x
x = 4,542,569,263,994.60/3,548,984.78 - Step 6: Final answer
x = 1,279,963.02
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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.