Finding the Fourth Proportional to 2,660,034.09, 3,990,612.15 and 862,777.99
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Solution
The fourth proportional to 2,660,034.09, 3,990,612.15 and 862,777.99 is: 1,294,348.94
Step by Step Solution
- Step 1: Write the proportion equation
2,660,034.09 : 3,990,612.15 = 862,777.99 : x - Step 2: Convert to fraction form
2,660,034.09/3,990,612.15 = 862,777.99/x - Step 3: Cross multiply
2,660,034.09x = 3,990,612.15 × 862,777.99 - Step 4: Simplify right side
2,660,034.09x = 3,443,012,309,693.52 - Step 5: Solve for x
x = 3,443,012,309,693.52/2,660,034.09 - Step 6: Final answer
x = 1,294,348.94
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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.