Finding the Fourth Proportional to 2,660,067.12, 3,990,661.78 and 862,811.04
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Solution
The fourth proportional to 2,660,067.12, 3,990,661.78 and 862,811.04 is: 1,294,398.56
Step by Step Solution
- Step 1: Write the proportion equation
2,660,067.12 : 3,990,661.78 = 862,811.04 : x - Step 2: Convert to fraction form
2,660,067.12/3,990,661.78 = 862,811.04/x - Step 3: Cross multiply
2,660,067.12x = 3,990,661.78 × 862,811.04 - Step 4: Simplify right side
2,660,067.12x = 3,443,187,040,690.05 - Step 5: Solve for x
x = 3,443,187,040,690.05/2,660,067.12 - Step 6: Final answer
x = 1,294,398.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.