Finding the Fourth Proportional to 4,255,730.60, 6,378,272.70 and 2,126,412.20
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Solution
The fourth proportional to 4,255,730.60, 6,378,272.70 and 2,126,412.20 is: 3,186,958.52
Step by Step Solution
- Step 1: Write the proportion equation
4,255,730.60 : 6,378,272.70 = 2,126,412.20 : x - Step 2: Convert to fraction form
4,255,730.60/6,378,272.70 = 2,126,412.20/x - Step 3: Cross multiply
4,255,730.60x = 6,378,272.70 × 2,126,412.20 - Step 4: Simplify right side
4,255,730.60x = 13,562,836,884,206.94 - Step 5: Solve for x
x = 13,562,836,884,206.94/4,255,730.60 - Step 6: Final answer
x = 3,186,958.52
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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.