Finding the Fourth Proportional to 2,618,622.80, 3,613,277.10 and 1,472,634.80
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Solution
The fourth proportional to 2,618,622.80, 3,613,277.10 and 1,472,634.80 is: 2,031,998.50
Step by Step Solution
- Step 1: Write the proportion equation
2,618,622.80 : 3,613,277.10 = 1,472,634.80 : x - Step 2: Convert to fraction form
2,618,622.80/3,613,277.10 = 1,472,634.80/x - Step 3: Cross multiply
2,618,622.80x = 3,613,277.10 × 1,472,634.80 - Step 4: Simplify right side
2,618,622.80x = 5,321,037,599,503.08 - Step 5: Solve for x
x = 5,321,037,599,503.08/2,618,622.80 - Step 6: Final answer
x = 2,031,998.50
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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.