Finding the Fourth Proportional to 3,161,454.80, 4,742,194.68 and 765,295.62
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Solution
The fourth proportional to 3,161,454.80, 4,742,194.68 and 765,295.62 is: 1,147,946.45
Step by Step Solution
- Step 1: Write the proportion equation
3,161,454.80 : 4,742,194.68 = 765,295.62 : x - Step 2: Convert to fraction form
3,161,454.80/4,742,194.68 = 765,295.62/x - Step 3: Cross multiply
3,161,454.80x = 4,742,194.68 × 765,295.62 - Step 4: Simplify right side
3,161,454.80x = 3,629,180,817,791.30 - Step 5: Solve for x
x = 3,629,180,817,791.30/3,161,454.80 - Step 6: Final answer
x = 1,147,946.45
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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.