Finding the Fourth Proportional to 5,767,235.40, 8,651,630.70 and 1,981,878.60
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Solution
The fourth proportional to 5,767,235.40, 8,651,630.70 and 1,981,878.60 is: 2,973,085.12
Step by Step Solution
- Step 1: Write the proportion equation
5,767,235.40 : 8,651,630.70 = 1,981,878.60 : x - Step 2: Convert to fraction form
5,767,235.40/8,651,630.70 = 1,981,878.60/x - Step 3: Cross multiply
5,767,235.40x = 8,651,630.70 × 1,981,878.60 - Step 4: Simplify right side
5,767,235.40x = 17,146,481,739,433.02 - Step 5: Solve for x
x = 17,146,481,739,433.02/5,767,235.40 - Step 6: Final answer
x = 2,973,085.12
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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.