Finding the Fourth Proportional to 2,742,113.21, 3,783,852.14 and 1,639,326.69
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Solution
The fourth proportional to 2,742,113.21, 3,783,852.14 and 1,639,326.69 is: 2,262,112.95
Step by Step Solution
- Step 1: Write the proportion equation
2,742,113.21 : 3,783,852.14 = 1,639,326.69 : x - Step 2: Convert to fraction form
2,742,113.21/3,783,852.14 = 1,639,326.69/x - Step 3: Cross multiply
2,742,113.21x = 3,783,852.14 × 1,639,326.69 - Step 4: Simplify right side
2,742,113.21x = 6,202,969,795,918.98 - Step 5: Solve for x
x = 6,202,969,795,918.98/2,742,113.21 - Step 6: Final answer
x = 2,262,112.95
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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.