Finding the Fourth Proportional to 4,107,575.80, 6,161,946.90 and 1,267,391.80
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Solution
The fourth proportional to 4,107,575.80, 6,161,946.90 and 1,267,391.80 is: 1,901,267.65
Step by Step Solution
- Step 1: Write the proportion equation
4,107,575.80 : 6,161,946.90 = 1,267,391.80 : x - Step 2: Convert to fraction form
4,107,575.80/6,161,946.90 = 1,267,391.80/x - Step 3: Cross multiply
4,107,575.80x = 6,161,946.90 × 1,267,391.80 - Step 4: Simplify right side
4,107,575.80x = 7,809,600,973,095.42 - Step 5: Solve for x
x = 7,809,600,973,095.42/4,107,575.80 - Step 6: Final answer
x = 1,901,267.65
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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.