Finding the Fourth Proportional to 4,099,357.20, 6,152,753.70 and 2,079,006.60
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Solution
The fourth proportional to 4,099,357.20, 6,152,753.70 and 2,079,006.60 is: 3,120,395.45
Step by Step Solution
- Step 1: Write the proportion equation
4,099,357.20 : 6,152,753.70 = 2,079,006.60 : x - Step 2: Convert to fraction form
4,099,357.20/6,152,753.70 = 2,079,006.60/x - Step 3: Cross multiply
4,099,357.20x = 6,152,753.70 × 2,079,006.60 - Step 4: Simplify right side
4,099,357.20x = 12,791,615,550,474.42 - Step 5: Solve for x
x = 12,791,615,550,474.42/4,099,357.20 - Step 6: Final answer
x = 3,120,395.45
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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.