Finding the Fourth Proportional to 5,768,357.12, 8,652,736.64 and 1,981,812.48
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Solution
The fourth proportional to 5,768,357.12, 8,652,736.64 and 1,981,812.48 is: 2,972,787.76
Step by Step Solution
- Step 1: Write the proportion equation
5,768,357.12 : 8,652,736.64 = 1,981,812.48 : x - Step 2: Convert to fraction form
5,768,357.12/8,652,736.64 = 1,981,812.48/x - Step 3: Cross multiply
5,768,357.12x = 8,652,736.64 × 1,981,812.48 - Step 4: Simplify right side
5,768,357.12x = 17,148,101,459,305.27 - Step 5: Solve for x
x = 17,148,101,459,305.27/5,768,357.12 - Step 6: Final answer
x = 2,972,787.76
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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.