Finding the Fourth Proportional to 3,863,743.80, 5,795,615.70 and 2,184,127.80
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Solution
The fourth proportional to 3,863,743.80, 5,795,615.70 and 2,184,127.80 is: 3,276,191.70
Step by Step Solution
- Step 1: Write the proportion equation
3,863,743.80 : 5,795,615.70 = 2,184,127.80 : x - Step 2: Convert to fraction form
3,863,743.80/5,795,615.70 = 2,184,127.80/x - Step 3: Cross multiply
3,863,743.80x = 5,795,615.70 × 2,184,127.80 - Step 4: Simplify right side
3,863,743.80x = 12,658,365,368,486.46 - Step 5: Solve for x
x = 12,658,365,368,486.46/3,863,743.80 - Step 6: Final answer
x = 3,276,191.70
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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.