Finding the Fourth Proportional to 4,098,315.20, 6,151,190.70 and 2,077,964.60
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Solution
The fourth proportional to 4,098,315.20, 6,151,190.70 and 2,077,964.60 is: 3,118,831.98
Step by Step Solution
- Step 1: Write the proportion equation
4,098,315.20 : 6,151,190.70 = 2,077,964.60 : x - Step 2: Convert to fraction form
4,098,315.20/6,151,190.70 = 2,077,964.60/x - Step 3: Cross multiply
4,098,315.20x = 6,151,190.70 × 2,077,964.60 - Step 4: Simplify right side
4,098,315.20x = 12,781,956,522,449.22 - Step 5: Solve for x
x = 12,781,956,522,449.22/4,098,315.20 - Step 6: Final answer
x = 3,118,831.98
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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.