Finding the Fourth Proportional to 1,391,392.77, 2,086,843.12 and 633,055.99
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Solution
The fourth proportional to 1,391,392.77, 2,086,843.12 and 633,055.99 is: 949,472.04
Step by Step Solution
- Step 1: Write the proportion equation
1,391,392.77 : 2,086,843.12 = 633,055.99 : x - Step 2: Convert to fraction form
1,391,392.77/2,086,843.12 = 633,055.99/x - Step 3: Cross multiply
1,391,392.77x = 2,086,843.12 × 633,055.99 - Step 4: Simplify right side
1,391,392.77x = 1,321,088,537,306.29 - Step 5: Solve for x
x = 1,321,088,537,306.29/1,391,392.77 - Step 6: Final answer
x = 949,472.04
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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.