Finding the Fourth Proportional to 4,089,476.05, 5,643,511.29 and 2,253,939.05
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Solution
The fourth proportional to 4,089,476.05, 5,643,511.29 and 2,253,939.05 is: 3,110,454.82
Step by Step Solution
- Step 1: Write the proportion equation
4,089,476.05 : 5,643,511.29 = 2,253,939.05 : x - Step 2: Convert to fraction form
4,089,476.05/5,643,511.29 = 2,253,939.05/x - Step 3: Cross multiply
4,089,476.05x = 5,643,511.29 × 2,253,939.05 - Step 4: Simplify right side
4,089,476.05x = 12,720,130,475,646.87 - Step 5: Solve for x
x = 12,720,130,475,646.87/4,089,476.05 - Step 6: Final answer
x = 3,110,454.82
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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.