Finding the Fourth Proportional to 3,903,770.24, 5,385,975.36 and 2,184,617.60
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Solution
The fourth proportional to 3,903,770.24, 5,385,975.36 and 2,184,617.60 is: 3,014,085.32
Step by Step Solution
- Step 1: Write the proportion equation
3,903,770.24 : 5,385,975.36 = 2,184,617.60 : x - Step 2: Convert to fraction form
3,903,770.24/5,385,975.36 = 2,184,617.60/x - Step 3: Cross multiply
3,903,770.24x = 5,385,975.36 × 2,184,617.60 - Step 4: Simplify right side
3,903,770.24x = 11,766,296,564,622.34 - Step 5: Solve for x
x = 11,766,296,564,622.34/3,903,770.24 - Step 6: Final answer
x = 3,014,085.32
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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.