Finding the Fourth Proportional to 1,557,919.88, 2,149,935.92 and 842,527.88
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Solution
The fourth proportional to 1,557,919.88, 2,149,935.92 and 842,527.88 is: 1,162,691.98
Step by Step Solution
- Step 1: Write the proportion equation
1,557,919.88 : 2,149,935.92 = 842,527.88 : x - Step 2: Convert to fraction form
1,557,919.88/2,149,935.92 = 842,527.88/x - Step 3: Cross multiply
1,557,919.88x = 2,149,935.92 × 842,527.88 - Step 4: Simplify right side
1,557,919.88x = 1,811,380,937,851.13 - Step 5: Solve for x
x = 1,811,380,937,851.13/1,557,919.88 - Step 6: Final answer
x = 1,162,691.98
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.