Finding the Fourth Proportional to 7,741,009.91, 11,610,157.09 and 2,948,986.73
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Solution
The fourth proportional to 7,741,009.91, 11,610,157.09 and 2,948,986.73 is: 4,422,962.84
Step by Step Solution
- Step 1: Write the proportion equation
7,741,009.91 : 11,610,157.09 = 2,948,986.73 : x - Step 2: Convert to fraction form
7,741,009.91/11,610,157.09 = 2,948,986.73/x - Step 3: Cross multiply
7,741,009.91x = 11,610,157.09 × 2,948,986.73 - Step 4: Simplify right side
7,741,009.91x = 34,238,199,126,202.16 - Step 5: Solve for x
x = 34,238,199,126,202.16/7,741,009.91 - Step 6: Final answer
x = 4,422,962.84
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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.