Finding the Fourth Proportional to 4,089,371.93, 5,643,259.94 and 2,228,804.12
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Solution
The fourth proportional to 4,089,371.93, 5,643,259.94 and 2,228,804.12 is: 3,075,709.72
Step by Step Solution
- Step 1: Write the proportion equation
4,089,371.93 : 5,643,259.94 = 2,228,804.12 : x - Step 2: Convert to fraction form
4,089,371.93/5,643,259.94 = 2,228,804.12/x - Step 3: Cross multiply
4,089,371.93x = 5,643,259.94 × 2,228,804.12 - Step 4: Simplify right side
4,089,371.93x = 12,577,721,004,502.96 - Step 5: Solve for x
x = 12,577,721,004,502.96/4,089,371.93 - Step 6: Final answer
x = 3,075,709.72
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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.