Finding the Fourth Proportional to 1,412,293.76, 2,117,774.73 and 513,101.42
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Solution
The fourth proportional to 1,412,293.76, 2,117,774.73 and 513,101.42 is: 769,410.20
Step by Step Solution
- Step 1: Write the proportion equation
1,412,293.76 : 2,117,774.73 = 513,101.42 : x - Step 2: Convert to fraction form
1,412,293.76/2,117,774.73 = 513,101.42/x - Step 3: Cross multiply
1,412,293.76x = 2,117,774.73 × 513,101.42 - Step 4: Simplify right side
1,412,293.76x = 1,086,633,221,203.12 - Step 5: Solve for x
x = 1,086,633,221,203.12/1,412,293.76 - Step 6: Final answer
x = 769,410.20
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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.