Finding the Fourth Proportional to 4,742,107.20, 6,544,107.45 and 2,566,649.97
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Solution
The fourth proportional to 4,742,107.20, 6,544,107.45 and 2,566,649.97 is: 3,541,976.70
Step by Step Solution
- Step 1: Write the proportion equation
4,742,107.20 : 6,544,107.45 = 2,566,649.97 : x - Step 2: Convert to fraction form
4,742,107.20/6,544,107.45 = 2,566,649.97/x - Step 3: Cross multiply
4,742,107.20x = 6,544,107.45 × 2,566,649.97 - Step 4: Simplify right side
4,742,107.20x = 16,796,433,190,219.28 - Step 5: Solve for x
x = 16,796,433,190,219.28/4,742,107.20 - Step 6: Final answer
x = 3,541,976.70
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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.