Finding the Fourth Proportional to 1,541,872.02, 2,311,477.74 and 742,053.18
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Solution
The fourth proportional to 1,541,872.02, 2,311,477.74 and 742,053.18 is: 1,112,439.54
Step by Step Solution
- Step 1: Write the proportion equation
1,541,872.02 : 2,311,477.74 = 742,053.18 : x - Step 2: Convert to fraction form
1,541,872.02/2,311,477.74 = 742,053.18/x - Step 3: Cross multiply
1,541,872.02x = 2,311,477.74 × 742,053.18 - Step 4: Simplify right side
1,541,872.02x = 1,715,239,407,466.21 - Step 5: Solve for x
x = 1,715,239,407,466.21/1,541,872.02 - Step 6: Final answer
x = 1,112,439.54
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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.