Finding the Fourth Proportional to 1,783,728.12, 2,461,532.30 and 967,911.06
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Solution
The fourth proportional to 1,783,728.12, 2,461,532.30 and 967,911.06 is: 1,335,710.48
Step by Step Solution
- Step 1: Write the proportion equation
1,783,728.12 : 2,461,532.30 = 967,911.06 : x - Step 2: Convert to fraction form
1,783,728.12/2,461,532.30 = 967,911.06/x - Step 3: Cross multiply
1,783,728.12x = 2,461,532.30 × 967,911.06 - Step 4: Simplify right side
1,783,728.12x = 2,382,544,337,717.24 - Step 5: Solve for x
x = 2,382,544,337,717.24/1,783,728.12 - Step 6: Final answer
x = 1,335,710.48
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1.5x scale
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.