Finding the Fourth Proportional to 1,656,183.88, 2,285,623.74 and 921,215.80
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Solution
The fourth proportional to 1,656,183.88, 2,285,623.74 and 921,215.80 is: 1,271,327.86
Step by Step Solution
- Step 1: Write the proportion equation
1,656,183.88 : 2,285,623.74 = 921,215.80 : x - Step 2: Convert to fraction form
1,656,183.88/2,285,623.74 = 921,215.80/x - Step 3: Cross multiply
1,656,183.88x = 2,285,623.74 × 921,215.80 - Step 4: Simplify right side
1,656,183.88x = 2,105,552,702,143.09 - Step 5: Solve for x
x = 2,105,552,702,143.09/1,656,183.88 - Step 6: Final answer
x = 1,271,327.86
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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.