Finding the Fourth Proportional to 4,742,109.20, 6,544,110.21 and 2,566,651.97
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Solution
The fourth proportional to 4,742,109.20, 6,544,110.21 and 2,566,651.97 is: 3,541,979.46
Step by Step Solution
- Step 1: Write the proportion equation
4,742,109.20 : 6,544,110.21 = 2,566,651.97 : x - Step 2: Convert to fraction form
4,742,109.20/6,544,110.21 = 2,566,651.97/x - Step 3: Cross multiply
4,742,109.20x = 6,544,110.21 × 2,566,651.97 - Step 4: Simplify right side
4,742,109.20x = 16,796,453,362,393.62 - Step 5: Solve for x
x = 16,796,453,362,393.62/4,742,109.20 - Step 6: Final answer
x = 3,541,979.46
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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.