Finding the Fourth Proportional to 3,721,479.50, 5,135,258.92 and 2,089,873.62
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Solution
The fourth proportional to 3,721,479.50, 5,135,258.92 and 2,089,873.62 is: 2,883,810.63
Step by Step Solution
- Step 1: Write the proportion equation
3,721,479.50 : 5,135,258.92 = 2,089,873.62 : x - Step 2: Convert to fraction form
3,721,479.50/5,135,258.92 = 2,089,873.62/x - Step 3: Cross multiply
3,721,479.50x = 5,135,258.92 × 2,089,873.62 - Step 4: Simplify right side
3,721,479.50x = 10,732,042,148,777.69 - Step 5: Solve for x
x = 10,732,042,148,777.69/3,721,479.50 - Step 6: Final answer
x = 2,883,810.63
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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.