Finding the Fourth Proportional to 7,409,991.16, 11,113,431.54 and 2,089,963
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Solution
The fourth proportional to 7,409,991.16, 11,113,431.54 and 2,089,963 is: 3,134,505.86
Step by Step Solution
- Step 1: Write the proportion equation
7,409,991.16 : 11,113,431.54 = 2,089,963 : x - Step 2: Convert to fraction form
7,409,991.16/11,113,431.54 = 2,089,963/x - Step 3: Cross multiply
7,409,991.16x = 11,113,431.54 × 2,089,963 - Step 4: Simplify right side
7,409,991.16x = 23,226,660,721,633.02 - Step 5: Solve for x
x = 23,226,660,721,633.02/7,409,991.16 - Step 6: Final answer
x = 3,134,505.86
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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.