Finding the Fourth Proportional to 4,068,455.63, 5,614,731.20 and 2,257,619.63
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Solution
The fourth proportional to 4,068,455.63, 5,614,731.20 and 2,257,619.63 is: 3,115,660.71
Step by Step Solution
- Step 1: Write the proportion equation
4,068,455.63 : 5,614,731.20 = 2,257,619.63 : x - Step 2: Convert to fraction form
4,068,455.63/5,614,731.20 = 2,257,619.63/x - Step 3: Cross multiply
4,068,455.63x = 5,614,731.20 × 2,257,619.63 - Step 4: Simplify right side
4,068,455.63x = 12,675,927,351,863.85 - Step 5: Solve for x
x = 12,675,927,351,863.85/4,068,455.63 - Step 6: Final answer
x = 3,115,660.71
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.