Finding the Fourth Proportional to 3,271,126.97, 4,908,789.98 and 1,587,311.93
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Solution
The fourth proportional to 3,271,126.97, 4,908,789.98 and 1,587,311.93 is: 2,381,986.69
Step by Step Solution
- Step 1: Write the proportion equation
3,271,126.97 : 4,908,789.98 = 1,587,311.93 : x - Step 2: Convert to fraction form
3,271,126.97/4,908,789.98 = 1,587,311.93/x - Step 3: Cross multiply
3,271,126.97x = 4,908,789.98 × 1,587,311.93 - Step 4: Simplify right side
3,271,126.97x = 7,791,780,907,406.30 - Step 5: Solve for x
x = 7,791,780,907,406.30/3,271,126.97 - Step 6: Final answer
x = 2,381,986.69
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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.