Finding the Fourth Proportional to 1,727,062.60, 2,590,569.60 and 780,431.80
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Solution
The fourth proportional to 1,727,062.60, 2,590,569.60 and 780,431.80 is: 1,170,636.72
Step by Step Solution
- Step 1: Write the proportion equation
1,727,062.60 : 2,590,569.60 = 780,431.80 : x - Step 2: Convert to fraction form
1,727,062.60/2,590,569.60 = 780,431.80/x - Step 3: Cross multiply
1,727,062.60x = 2,590,569.60 × 780,431.80 - Step 4: Simplify right side
1,727,062.60x = 2,021,762,895,953.28 - Step 5: Solve for x
x = 2,021,762,895,953.28/1,727,062.60 - Step 6: Final answer
x = 1,170,636.72
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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.