Finding the Fourth Proportional to 3,758,511.44, 5,186,749.12 and 2,039,631.95
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Solution
The fourth proportional to 3,758,511.44, 5,186,749.12 and 2,039,631.95 is: 2,814,693.90
Step by Step Solution
- Step 1: Write the proportion equation
3,758,511.44 : 5,186,749.12 = 2,039,631.95 : x - Step 2: Convert to fraction form
3,758,511.44/5,186,749.12 = 2,039,631.95/x - Step 3: Cross multiply
3,758,511.44x = 5,186,749.12 × 2,039,631.95 - Step 4: Simplify right side
3,758,511.44x = 10,579,059,210,203.87 - Step 5: Solve for x
x = 10,579,059,210,203.87/3,758,511.44 - Step 6: Final answer
x = 2,814,693.90
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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.